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Solution
Q.1 Correct
Q.1 In-correct
Q.1 Unattempt
If f(x)=x2−2x+4 then the set of values of x satisfying f(x−1)=f(x+1) is
If f(x)=x2−2x+4 then the set of values of x satisfying f(x−1)=f(x+1) is
Q.2 Correct
Q.2 In-correct
Q.2 Unattempt
The number of real linear function f(x) satisfying f(f(x))=x+f(x) is
The number of real linear function f(x) satisfying f(f(x))=x+f(x) is
Q.3 Correct
Q.3 In-correct
Q.3 Unattempt
The remainder when 7n−6n−50(n∈N) is divided by 36, is
The remainder when 7n−6n−50(n∈N) is divided by 36, is
Q.4 Correct
Q.4 In-correct
Q.4 Unattempt
Consider the system of equations
ax+by+cz=2
bx+cy+az=0
cx+ay+bz=2
where a b c , , are real numbers such that a+b+c=0
Then the system
Consider the system of equations
ax+by+cz=2
bx+cy+az=0
cx+ay+bz=2
where a b c , , are real numbers such that a+b+c=0
Then the system
Q.5 Correct
Q.5 In-correct
Q.5 Unattempt
Suppose A and B are two square matrices of same order,If A,B re Symmetric matrices then AB-BA is
Suppose A and B are two square matrices of same order,If A,B re Symmetric matrices then AB-BA is
Q.6 Correct
Q.6 In-correct
Q.6 Unattempt
If
A(x)=|
x+12x+13x+1
2x+13x+1x+1
3x+1x+12x+1
|
then
1
∫
0
A(x)dx=
If
A(x)=|
x+12x+13x+1
2x+13x+1x+1
3x+1x+12x+1
|
then
1
∫
0
A(x)dx=
Q.7 Correct
Q.7 In-correct
Q.7 Unattempt
If z=x+iy is a complex number such that
−
z
1
3
=a+ib then the value of
1
a2+b2
(
x
a
+
y
b
)=
If z=x+iy is a complex number such that
−
z
1
3
=a+ib then the value of
1
a2+b2
(
x
a
+
y
b
)=
Q.8 Correct
Q.8 In-correct
Q.8 Unattempt
The locus of z satisfying |z|+|z+1|=3 is
The locus of z satisfying |z|+|z+1|=3 is
Q.9 Correct
Q.9 In-correct
Q.9 Unattempt
If the point
z=(1+i)(1+2i)(1+3i).......(1+10i)
lies on a circle with centre at origin and radius r,then r2=
If the point
z=(1+i)(1+2i)(1+3i).......(1+10i)
lies on a circle with centre at origin and radius r,then r2=
Q.10 Correct
Q.10 In-correct
Q.10 Unattempt
The minimum value of |z−1|+|z+5| is
The minimum value of |z−1|+|z+5| is
Q.11 Correct
Q.11 In-correct
Q.11 Unattempt
The number of real roots |x2|−5|x|+6=0 is
The number of real roots |x2|−5|x|+6=0 is
Q.12 Correct
Q.12 In-correct
Q.12 Unattempt
If α,β are roots of x2−x+1=0 then the quadratic equation whose roots are α2015,β2015 is
If α,β are roots of x2−x+1=0 then the quadratic equation whose roots are α2015,β2015 is
Q.13 Correct
Q.13 In-correct
Q.13 Unattempt
If α,β,γ are the roots of x3−5x+4=0 then (α3+β3+γ3)2=
If α,β,γ are the roots of x3−5x+4=0 then (α3+β3+γ3)2=
Q.14 Correct
Q.14 In-correct
Q.14 Unattempt
Suppose α,β,γ are the roots of x3+x2+2x+3=0.If f(x)=0 is a cubic polynomial equation whose roots are α+β,β+γ,γ+α then f(x)=
Suppose α,β,γ are the roots of x3+x2+2x+3=0.If f(x)=0 is a cubic polynomial equation whose roots are α+β,β+γ,γ+α then f(x)=
Q.15 Correct
Q.15 In-correct
Q.15 Unattempt
The number of 4 letters words that can be formed with the letters in the word EQUATION with at least one letter repeated is
The number of 4 letters words that can be formed with the letters in the word EQUATION with at least one letter repeated is
Q.16 Correct
Q.16 In-correct
Q.16 Unattempt
The number of divisors of 7! is
The number of divisors of 7! is
Q.17 Correct
Q.17 In-correct
Q.17 Unattempt
The sum of the series
1+
2
3
(
1
8
)+
2×5
3×6
(
1
8
)2+
2×5×8
3×6×9
(
1
8
)2+.......
The sum of the series
1+
2
3
(
1
8
)+
2×5
3×6
(
1
8
)2+
2×5×8
3×6×9
(
1
8
)2+.......
Q.18 Correct
Q.18 In-correct
Q.18 Unattempt
If C, denotes the binomial coefficient nCr then
(−1)C02+2C12+5C22+.....+(3n−1)Cn2=
If C, denotes the binomial coefficient nCr then
(−1)C02+2C12+5C22+.....+(3n−1)Cn2=
Q.19 Correct
Q.19 In-correct
Q.19 Unattempt
x+1
x4(x+2)
=
A
x
+
B
x2
+
C
x3
+
D
x4
+
E
x+2

⇒B+D+E
x+1
x4(x+2)
=
A
x
+
B
x2
+
C
x3
+
D
x4
+
E
x+2

⇒B+D+E
Q.20 Correct
Q.20 In-correct
Q.20 Unattempt
If
cos3θ+cos3(
2π
3
+θ)+cos3(
4π
3
+θ)=acos3θ
, then a=
If
cos3θ+cos3(
2π
3
+θ)+cos3(
4π
3
+θ)=acos3θ
, then a=
Q.21 Correct
Q.21 In-correct
Q.21 Unattempt
cos13°−sin13°
cos13°+sin13°
+
1
cot148°
=
cos13°−sin13°
cos13°+sin13°
+
1
cot148°
=
Q.22 Correct
Q.22 In-correct
Q.22 Unattempt
If cosx+cosy+cosα=0 and sinx+siny+sinα=0, then cot(
x+y
2
)=
If cosx+cosy+cosα=0 and sinx+siny+sinα=0, then cot(
x+y
2
)=
Q.23 Correct
Q.23 In-correct
Q.23 Unattempt
If f(x)=cos2x+cos22x+cos23x, then the number of values of x∈[0,2π] for which f(x)=1 is
If f(x)=cos2x+cos22x+cos23x, then the number of values of x∈[0,2π] for which f(x)=1 is
Q.24 Correct
Q.24 In-correct
Q.24 Unattempt
The value of x which satisfies sin(cot−1x)=cos(tan−1(1+x)) is
The value of x which satisfies sin(cot−1x)=cos(tan−1(1+x)) is
Q.25 Correct
Q.25 In-correct
Q.25 Unattempt
For θ∈(0,
π
2
),sech−1(cosθ)=
For θ∈(0,
π
2
),sech−1(cosθ)=
Q.26 Correct
Q.26 In-correct
Q.26 Unattempt
If ΔABC is such that ∠A=90°,∠B≠∠C,then
b2+c2
b2−c2
sin(B−C)=
If ΔABC is such that ∠A=90°,∠B≠∠C,then
b2+c2
b2−c2
sin(B−C)=
Q.27 Correct
Q.27 In-correct
Q.27 Unattempt
In ΔABC, if 8R2=a2+b2+c2,then the triangle is a
In ΔABC, if 8R2=a2+b2+c2,then the triangle is a
Q.28 Correct
Q.28 In-correct
Q.28 Unattempt
In ΔABC, if 2R+r=r2, then ∠B=
In ΔABC, if 2R+r=r2, then ∠B=
Q.29 Correct
Q.29 In-correct
Q.29 Unattempt
ADCDEF is a regular hexagon whose centre is O.Then
→
AB
+
→
AC
+
→
AD
+
→
AE
+
→
AF
 is
ADCDEF is a regular hexagon whose centre is O.Then
→
AB
+
→
AC
+
→
AD
+
→
AE
+
→
AF
 is
Q.30 Correct
Q.30 In-correct
Q.30 Unattempt
ABCD is a parallelogram and P is the mid point of the side AD. The line BP meets the diagonal AC in Q. Then the ratio AQ : QC =
ABCD is a parallelogram and P is the mid point of the side AD. The line BP meets the diagonal AC in Q. Then the ratio AQ : QC =
Q.31 Correct
Q.31 In-correct
Q.31 Unattempt
The vectors
2
−
i
−3
−
j
+
−
k
,
−
i
−2
−
j
+3
−
k
,3
−
i
+
−
j
−2
−
k
The vectors
2
−
i
−3
−
j
+
−
k
,
−
i
−2
−
j
+3
−
k
,3
−
i
+
−
j
−2
−
k
Q.32 Correct
Q.32 In-correct
Q.32 Unattempt
−
a
,
−
b
,
−
c
 are three vectors such that |
−
a
|=1|
−
b
|=2,|
−
c
|=3 and
−
b
,
→
c
 are perpendicular.If projection of
−
b
 on
−
a
 is the same as the projection of
−
c
 on
−
a
,then |
−
a
−
−
b
+
−
c
|=
−
a
,
−
b
,
−
c
 are three vectors such that |
−
a
|=1|
−
b
|=2,|
−
c
|=3 and
−
b
,
→
c
 are perpendicular.If projection of
−
b
 on
−
a
 is the same as the projection of
−
c
 on
−
a
,then |
−
a
−
−
b
+
−
c
|=
Q.33 Correct
Q.33 In-correct
Q.33 Unattempt
If
−
a
,
−
b
,
−
c
 are unit vectors satisfying the relation
−
a
+
−
b
+√3
−
c
=0 then the angle between
−
a
 and
−
b
 is
If
−
a
,
−
b
,
−
c
 are unit vectors satisfying the relation
−
a
+
−
b
+√3
−
c
=0 then the angle between
−
a
 and
−
b
 is
Q.34 Correct
Q.34 In-correct
Q.34 Unattempt
−
a
 is perpendicular to both
−
b
 and
−
c
.The angle between
−
b
 and
−
c
 is
2π
3
.If |
−
a
|=2,|
−
b
|=3,|
−
c
|=4,then
−
c
.(
−
a
×
−
b
)=
−
a
 is perpendicular to both
−
b
 and
−
c
.The angle between
−
b
 and
−
c
 is
2π
3
.If |
−
a
|=2,|
−
b
|=3,|
−
c
|=4,then
−
c
.(
−
a
×
−
b
)=
Q.35 Correct
Q.35 In-correct
Q.35 Unattempt
If the average of the first n numbers in the sequence 148,146,144,....... is 125, then n=
If the average of the first n numbers in the sequence 148,146,144,....... is 125, then n=
Q.36 Correct
Q.36 In-correct
Q.36 Unattempt
The standard deviation of a,a+d,a+2d,...,a+2nd is
The standard deviation of a,a+d,a+2d,...,a+2nd is
Q.37 Correct
Q.37 In-correct
Q.37 Unattempt
Two events A and B are such that P(A)=
1
4
,P(A|B)=
1
4
 and P(B|A)=
1
2

Consider the following statements
I) P(
−
A
|
−
B
)=
3
4

II) A and B are mutually exclusive
III) P(A|B)+P(A|
−
B
)=1
Then
Two events A and B are such that P(A)=
1
4
,P(A|B)=
1
4
 and P(B|A)=
1
2

Consider the following statements
I) P(
−
A
|
−
B
)=
3
4

II) A and B are mutually exclusive
III) P(A|B)+P(A|
−
B
)=1
Then
Q.38 Correct
Q.38 In-correct
Q.38 Unattempt
A five digit number is formed by the digits 1,2,3,4,5 with no digit being repeated.The probability that the number is divisible by 4, is
A five digit number is formed by the digits 1,2,3,4,5 with no digit being repeated.The probability that the number is divisible by 4, is
Q.39 Correct
Q.39 In-correct
Q.39 Unattempt
When a pair of six faced fair dice are thrown, the probability that the sum of the numbers on the two dice is greater than 7, is
When a pair of six faced fair dice are thrown, the probability that the sum of the numbers on the two dice is greater than 7, is
Q.40 Correct
Q.40 In-correct
Q.40 Unattempt
In a family with 4 children,the probability that there are at least two girls is
In a family with 4 children,the probability that there are at least two girls is
Q.41 Correct
Q.41 In-correct
Q.41 Unattempt
On an average nine out of 10 ships that have depated at A reach B safely.The probability that out of five ships that have departed at A at least four will reach B safely is
On an average nine out of 10 ships that have depated at A reach B safely.The probability that out of five ships that have departed at A at least four will reach B safely is
Q.42 Correct
Q.42 In-correct
Q.42 Unattempt
If A(5,−4) and B(7,6) are points in a plane, then the set of all points P(x,y) in the plane such that AP:PB=2:3 is
If A(5,−4) and B(7,6) are points in a plane, then the set of all points P(x,y) in the plane such that AP:PB=2:3 is
Q.43 Correct
Q.43 In-correct
Q.43 Unattempt
If the axes are rotated anticlockwise through an angle 90° then the equation x2=4ay is changed to the equation
If the axes are rotated anticlockwise through an angle 90° then the equation x2=4ay is changed to the equation
Q.44 Correct
Q.44 In-correct
Q.44 Unattempt
The combined equation of the straight line of the form y=kx+1 ( where k is an integer) such that the point of intersection of each with the line 3xy+4y=9 has an integer as its x-coordinateis
The combined equation of the straight line of the form y=kx+1 ( where k is an integer) such that the point of intersection of each with the line 3xy+4y=9 has an integer as its x-coordinateis
Q.45 Correct
Q.45 In-correct
Q.45 Unattempt
A value of k such that the straight lines y−3kx+4=0 and (2k−1)x−(8k−1)y−6=0 are perpendicular to
A value of k such that the straight lines y−3kx+4=0 and (2k−1)x−(8k−1)y−6=0 are perpendicular to
Q.46 Correct
Q.46 In-correct
Q.46 Unattempt
The length of the segment of the straight line passing through (3,3) and (7,6) cut off by the coordinates axes is
The length of the segment of the straight line passing through (3,3) and (7,6) cut off by the coordinates axes is
Q.47 Correct
Q.47 In-correct
Q.47 Unattempt
The equation of the pair of straight lines through the point (1,1) and perpendicular to the pair of straight lines 3x2−8xy+5y2=0 is
The equation of the pair of straight lines through the point (1,1) and perpendicular to the pair of straight lines 3x2−8xy+5y2=0 is
Q.48 Correct
Q.48 In-correct
Q.48 Unattempt
The combined equation of the three sides of triangle is (x2−y2)(2x+3y−6=0).If the point (0,α) lies in the interior of this triangle then
The combined equation of the three sides of triangle is (x2−y2)(2x+3y−6=0).If the point (0,α) lies in the interior of this triangle then
Q.49 Correct
Q.49 In-correct
Q.49 Unattempt
The point where the line 4x−3y+7=0 touches the circle x2+y2−6x+4y−12=0 is
The point where the line 4x−3y+7=0 touches the circle x2+y2−6x+4y−12=0 is
Q.50 Correct
Q.50 In-correct
Q.50 Unattempt
The normal to the circle by x2+y2−6x+8y−144=0 at (8,8) meets the circle again at the point
The normal to the circle by x2+y2−6x+8y−144=0 at (8,8) meets the circle again at the point
Q.51 Correct
Q.51 In-correct
Q.51 Unattempt
For all the real values of k, the polar of the point (2k,k−4) with respect to x2+y2−4x−6y+1=0 passes through the point
For all the real values of k, the polar of the point (2k,k−4) with respect to x2+y2−4x−6y+1=0 passes through the point
Q.52 Correct
Q.52 In-correct
Q.52 Unattempt
If the circle x2+y2−2λx−2y−7=0 and 3(x2+y2)−8x+29y=0 are orthogonal then λ=
If the circle x2+y2−2λx−2y−7=0 and 3(x2+y2)−8x+29y=0 are orthogonal then λ=
Q.53 Correct
Q.53 In-correct
Q.53 Unattempt
The radical center of the circles x2+y2=1,x2+y2−2x−3=0 and x2+y2−2y−3=0 is
The radical center of the circles x2+y2=1,x2+y2−2x−3=0 and x2+y2−2y−3=0 is
Q.54 Correct
Q.54 In-correct
Q.54 Unattempt
Form a point (C,0) three normals are drawn to the parabola y2=x.Then
Form a point (C,0) three normals are drawn to the parabola y2=x.Then
Q.55 Correct
Q.55 In-correct
Q.55 Unattempt
The points of intersection of the parabolas y2=5x and x2=5y lie on the line
The points of intersection of the parabolas y2=5x and x2=5y lie on the line
Q.56 Correct
Q.56 In-correct
Q.56 Unattempt
For eclipse given by
(x−3)2
25
+
(y−2)2
16
=1, match the equation of the lines given in List I with those in the List II

For eclipse given by
(x−3)2
25
+
(y−2)2
16
=1, match the equation of the lines given in List I with those in the List II
Q.57 Correct
Q.57 In-correct
Q.57 Unattempt
If S and S' are the foci of the ellipse
x2
25
+
y2
16
=1 and if PSP' is a focal chord with SP=8 then SS′=
If S and S' are the foci of the ellipse
x2
25
+
y2
16
=1 and if PSP' is a focal chord with SP=8 then SS′=
Q.58 Correct
Q.58 In-correct
Q.58 Unattempt
Let A(2secθ,3tanθ) and B(2secϕ,3tanϕ), where θ+ϕ=
π
2
 be two points on the hyperbola
x2
4
−
y2
9
=1.If (α,β) is the point of intersection of normals to the hyperbola at A and B then β=
Let A(2secθ,3tanθ) and B(2secϕ,3tanϕ), where θ+ϕ=
π
2
 be two points on the hyperbola
x2
4
−
y2
9
=1.If (α,β) is the point of intersection of normals to the hyperbola at A and B then β=
Q.59 Correct
Q.59 In-correct
Q.59 Unattempt
Points A(3,2,4),B(
33
5
,
28
5
,
38
5
), and C(9,8,10) are given.The ratio in which B divides
−
AC
 is
Points A(3,2,4),B(
33
5
,
28
5
,
38
5
), and C(9,8,10) are given.The ratio in which B divides
−
AC
 is
Q.60 Correct
Q.60 In-correct
Q.60 Unattempt
If the angle between the lines whose direction cosines are (−‌
2
√21
,‌
C
√21
,‌
1
√21
) and (‌
3
√54
,‌
3
√54
,−‌
6
√54
) is ‌
π
2
, then the value of C is
If the angle between the lines whose direction cosines are (−‌
2
√21
,‌
C
√21
,‌
1
√21
) and (‌
3
√54
,‌
3
√54
,−‌
6
√54
) is ‌
π
2
, then the value of C is
Q.61 Correct
Q.61 In-correct
Q.61 Unattempt
The image of the points (5,2,6) with respect to the plane x+y+z=9 is
The image of the points (5,2,6) with respect to the plane x+y+z=9 is
Q.62 Correct
Q.62 In-correct
Q.62 Unattempt
lim
x→∞
[
x2+x+3
x2−x+2
]x=
lim
x→∞
[
x2+x+3
x2−x+2
]x=
Q.63 Correct
Q.63 In-correct
Q.63 Unattempt
The values of p and q so that the function
f(x)={
(1+|sinx|)
p
sinx
π
6
<x<0
qx=0
e
sin2x
sin3x
0<x<
π
6

is continuous at x=0 is
The values of p and q so that the function
f(x)={
(1+|sinx|)
p
sinx
π
6
<x<0
qx=0
e
sin2x
sin3x
0<x<
π
6

is continuous at x=0 is
Q.64 Correct
Q.64 In-correct
Q.64 Unattempt
If y=tan−1[
5cosx−12sinx
12cosx+5sinx
], then
dy
dx
=
If y=tan−1[
5cosx−12sinx
12cosx+5sinx
], then
dy
dx
=
Q.65 Correct
Q.65 In-correct
Q.65 Unattempt
d
dx
tan−1[
√1+sinx−√1−sinx
√1+sinx+√1−sinx
]=
d
dx
tan−1[
√1+sinx−√1−sinx
√1+sinx+√1−sinx
]=
Q.66 Correct
Q.66 In-correct
Q.66 Unattempt
If y=acos(sin2x)+bsin(sin2x),then y′′+(2tan2x)y′=
If y=acos(sin2x)+bsin(sin2x),then y′′+(2tan2x)y′=
Q.67 Correct
Q.67 In-correct
Q.67 Unattempt
The length of the segment of the tangent line to the curve x=acos3t,y=asin3t at any point on the curbve cut off b the coordiante axes is
The length of the segment of the tangent line to the curve x=acos3t,y=asin3t at any point on the curbve cut off b the coordiante axes is
Q.68 Correct
Q.68 In-correct
Q.68 Unattempt
The are of triangle formed by the positive x-axis, the tangent and normal to the curve x2+y2=16a2 at the point (2√2a,2√2a) is
The are of triangle formed by the positive x-axis, the tangent and normal to the curve x2+y2=16a2 at the point (2√2a,2√2a) is
Q.69 Correct
Q.69 In-correct
Q.69 Unattempt
Define f(x)=
1
2
[|sinx|+sinx],0<x≤2π
Define f(x)=
1
2
[|sinx|+sinx],0<x≤2π
Q.70 Correct
Q.70 In-correct
Q.70 Unattempt
The smallest value of the constant m>0 for which f(x)=9mx−1+
1
x
≥0 for all x>0 is
The smallest value of the constant m>0 for which f(x)=9mx−1+
1
x
≥0 for all x>0 is
Q.71 Correct
Q.71 In-correct
Q.71 Unattempt
∫
(x2+1)
x4+7x2+1
dx=
∫
(x2+1)
x4+7x2+1
dx=
Q.72 Correct
Q.72 In-correct
Q.72 Unattempt
∫
x3
√1+x2
dx=
∫
x3
√1+x2
dx=
Q.73 Correct
Q.73 In-correct
Q.73 Unattempt
∫
dx
cos(x+4)cos(x+2)
=
∫
dx
cos(x+4)cos(x+2)
=
Q.74 Correct
Q.74 In-correct
Q.74 Unattempt
∫
2x+2
√x2−4x−5
dx=
∫
2x+2
√x2−4x−5
dx=
Q.75 Correct
Q.75 In-correct
Q.75 Unattempt
π
4
∫
0
sinx+cosx
7+9sin2x
dx
π
4
∫
0
sinx+cosx
7+9sin2x
dx
Q.76 Correct
Q.76 In-correct
Q.76 Unattempt
π
4
∫
0
[√tanx+√cotx]dx
π
4
∫
0
[√tanx+√cotx]dx
Q.77 Correct
Q.77 In-correct
Q.77 Unattempt
If the area bounded by the curves y=ax2 and x=ay2,(a>0) is 3 sq.units then the value of a is
If the area bounded by the curves y=ax2 and x=ay2,(a>0) is 3 sq.units then the value of a is
Q.78 Correct
Q.78 In-correct
Q.78 Unattempt
Let p∊IR,then the differential equation of the faily of curves y=(α+βx)epx,where α,β are arbitrary constants, is
Let p∊IR,then the differential equation of the faily of curves y=(α+βx)epx,where α,β are arbitrary constants, is
Q.79 Correct
Q.79 In-correct
Q.79 Unattempt
The solution of the differential equation 3y′−3y+(x2−y2)
1
2
=0, satisfying the condition y(1)=1 is
The solution of the differential equation 3y′−3y+(x2−y2)
1
2
=0, satisfying the condition y(1)=1 is
Q.80 Correct
Q.80 In-correct
Q.80 Unattempt
The solution of the differential equation y′=
1
e−y−x
, is
The solution of the differential equation y′=
1
e−y−x
, is
Q.81 Correct
Q.81 In-correct
Q.81 Unattempt
Electron microscope is based on the principle
Electron microscope is based on the principle
Q.82 Correct
Q.82 In-correct
Q.82 Unattempt
Force is given by the expression,F=Acos(Bx)+Ccos(Dt) where x is displacement and t is time.The dimensions of (
D
B
) is same as that of (
D
B
) is same as that of
Force is given by the expression,F=Acos(Bx)+Ccos(Dt) where x is displacement and t is time.The dimensions of (
D
B
) is same as that of (
D
B
) is same as that of
Q.83 Correct
Q.83 In-correct
Q.83 Unattempt
A car accelerates from rest with 2m/s2 on a straight line path and then comes to rest after applying brakes. Total distance travelled by the car is 100 m in 20 seconds. Then the maximum velocity attained by the car is
A car accelerates from rest with 2m/s2 on a straight line path and then comes to rest after applying brakes. Total distance travelled by the car is 100 m in 20 seconds. Then the maximum velocity attained by the car is
Q.84 Correct
Q.84 In-correct
Q.84 Unattempt
A body is falling freely from a point A at a certain height from the ground and passes through points B,C and D (vertically as shown below) so that BC = CD. The time taken by the particle to move from B to C is 2 seconds and from C to D 1 second. Time taken to move from A to B in seconds is
A body is falling freely from a point A at a certain height from the ground and passes through points B,C and D (vertically as shown below) so that BC = CD. The time taken by the particle to move from B to C is 2 seconds and from C to D 1 second. Time taken to move from A to B in seconds is
Q.85 Correct
Q.85 In-correct
Q.85 Unattempt
A particle moves from (1,0,3) to the point (−3,4,5),when a force
−
F
=(
∧
i
+5
∧
k
) acts on it.amount of work done in Joules is
A particle moves from (1,0,3) to the point (−3,4,5),when a force
−
F
=(
∧
i
+5
∧
k
) acts on it.amount of work done in Joules is
Q.86 Correct
Q.86 In-correct
Q.86 Unattempt
A particle is projected with velocity 2√gh and at an angle 60° to the horizontal so that it just clears two walls of equal height 'h' which are at a distance 2h from each other.The time taken by the particle to travle between these two walls is
A particle is projected with velocity 2√gh and at an angle 60° to the horizontal so that it just clears two walls of equal height 'h' which are at a distance 2h from each other.The time taken by the particle to travle between these two walls is
Q.87 Correct
Q.87 In-correct
Q.87 Unattempt
A body of mass 20 kg is moving on a rough horizontal plane. A block of mass 3 kg is connected to the 20 kg mass by a string of negligible mass through a smooth pulley as shown in the figure. The tension in the string is 27 N. The coefficient of kinetic friction between the heavier mass and the surface is (g=10
m
s2
).
A body of mass 20 kg is moving on a rough horizontal plane. A block of mass 3 kg is connected to the 20 kg mass by a string of negligible mass through a smooth pulley as shown in the figure. The tension in the string is 27 N. The coefficient of kinetic friction between the heavier mass and the surface is (g=10
m
s2
).
Q.88 Correct
Q.88 In-correct
Q.88 Unattempt
Two masses m1 and m2 are placed on a smooth horizontal surface and are connected by a string of negligible mass. A horizontal force F is applied on the mass m2 as shown in the figure. The tension in the string is
Two masses m1 and m2 are placed on a smooth horizontal surface and are connected by a string of negligible mass. A horizontal force F is applied on the mass m2 as shown in the figure. The tension in the string is
Q.89 Correct
Q.89 In-correct
Q.89 Unattempt
A body of mass 3 kg moving with a velocity (2
∧
i
+3
∧
j
+3
∧
k
)m/s collides with another body of mass 4kg moving with a velocity (3
∧
i
+2
∧
j
−3
∧
k
)m/s.The two bodies stick together after collision. The velocity of the composite body is
A body of mass 3 kg moving with a velocity (2
∧
i
+3
∧
j
+3
∧
k
)m/s collides with another body of mass 4kg moving with a velocity (3
∧
i
+2
∧
j
−3
∧
k
)m/s.The two bodies stick together after collision. The velocity of the composite body is
Q.90 Correct
Q.90 In-correct
Q.90 Unattempt
A simple pendulum of length L carries a bob of mass m. When the bob is at its lowest position, it is given the minimum horizontal speed necessary for it to move in a vertical circle about the point of suspension. When the string is horizontal the net force on the bob is
A simple pendulum of length L carries a bob of mass m. When the bob is at its lowest position, it is given the minimum horizontal speed necessary for it to move in a vertical circle about the point of suspension. When the string is horizontal the net force on the bob is
Q.91 Correct
Q.91 In-correct
Q.91 Unattempt
A system of two particles is having masses m1 and m2 . If the particle of mass m1 is pushed towards the center of particles through a distance d, by what distance the particle of mass m2 should be moved so as to keep the centre of mass of particles at the original position?
A system of two particles is having masses m1 and m2 . If the particle of mass m1 is pushed towards the center of particles through a distance d, by what distance the particle of mass m2 should be moved so as to keep the centre of mass of particles at the original position?
Q.92 Correct
Q.92 In-correct
Q.92 Unattempt
A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity ω. Another disc of same thickness and radius but of mass
1
8
 M is placed gently on the first disc co-axially. The angular velocity of the system is now
A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity ω. Another disc of same thickness and radius but of mass
1
8
 M is placed gently on the first disc co-axially. The angular velocity of the system is now
Q.93 Correct
Q.93 In-correct
Q.93 Unattempt
9 kg solution is poured into a glass U-tube as shown in the figure below. The tube’s inner diameter is 2√
π
5
m and the solution oscillates freely up and down about its position of equilibrium (x=0). The period of oscillation in seconds is (1m3 of solution has a mass µ=900kg,g=10
m
s2
, ignore frictional and surface tension effects)
9 kg solution is poured into a glass U-tube as shown in the figure below. The tube’s inner diameter is 2√
π
5
m and the solution oscillates freely up and down about its position of equilibrium (x=0). The period of oscillation in seconds is (1m3 of solution has a mass µ=900kg,g=10
m
s2
, ignore frictional and surface tension effects)
Q.94 Correct
Q.94 In-correct
Q.94 Unattempt
The bodies of masses 100kg and 8100 kg are held at a distance of 1m. The gravitational field at a point on the line joining them is zero. The gravitational potential at that point in J kg / is (G=6.67×10−11N.m2/kg2)
The bodies of masses 100kg and 8100 kg are held at a distance of 1m. The gravitational field at a point on the line joining them is zero. The gravitational potential at that point in J kg / is (G=6.67×10−11N.m2/kg2)
Q.95 Correct
Q.95 In-correct
Q.95 Unattempt
An elastic spring of unstretched length L and force constant K is stretched by a small length x. It is further stretched by another small length y. Work done during the second stretching is
An elastic spring of unstretched length L and force constant K is stretched by a small length x. It is further stretched by another small length y. Work done during the second stretching is
Q.96 Correct
Q.96 In-correct
Q.96 Unattempt
A soap bubble of radius 1.0 cm is formed inside another soap bubble of radius 2.0 cm. The radius of an another soap bubble which has the same pressure difference as that between the inside of the smaller and outside of large soap bubble, in meters is
A soap bubble of radius 1.0 cm is formed inside another soap bubble of radius 2.0 cm. The radius of an another soap bubble which has the same pressure difference as that between the inside of the smaller and outside of large soap bubble, in meters is
Q.97 Correct
Q.97 In-correct
Q.97 Unattempt
A slab of stone area 3600cm2 and thickness 10cm is exposed on the lower surface to steam at 100° C A block of ice at 0° C rests on upper surface of the slab. In one hour 4.8kg of ice is melted. The thermal conductivity of stone in Js−1m−1k−1 is (Latent heat of ice =3.36×105J/kg)
A slab of stone area 3600cm2 and thickness 10cm is exposed on the lower surface to steam at 100° C A block of ice at 0° C rests on upper surface of the slab. In one hour 4.8kg of ice is melted. The thermal conductivity of stone in Js−1m−1k−1 is (Latent heat of ice =3.36×105J/kg)
Q.98 Correct
Q.98 In-correct
Q.98 Unattempt
The surface of a black body is at a temperature 727° C and its cross section is 1m2 Heat radiated from this surface in one minute in Joules is (Stefan’s constant =5.7×10−8W/m2/k4)
The surface of a black body is at a temperature 727° C and its cross section is 1m2 Heat radiated from this surface in one minute in Joules is (Stefan’s constant =5.7×10−8W/m2/k4)
Q.99 Correct
Q.99 In-correct
Q.99 Unattempt
Two moles of a gas is expanded to double its volume by two different processes. One is isobaric and the other is isothermal. If w1 and w2 are the works done respectively, then
Two moles of a gas is expanded to double its volume by two different processes. One is isobaric and the other is isothermal. If w1 and w2 are the works done respectively, then
Q.100 Correct
Q.100 In-correct
Q.100 Unattempt
Uranium has two isotopes of masses 235 and 238 units. If both of them are present in Uranium hexafluoridegas, find the percentage ratio of difference in rms velocities of two isotopes to the rms velocity of heavier isotope.
Uranium has two isotopes of masses 235 and 238 units. If both of them are present in Uranium hexafluoridegas, find the percentage ratio of difference in rms velocities of two isotopes to the rms velocity of heavier isotope.
Q.101 Correct
Q.101 In-correct
Q.101 Unattempt
A source of frequency 340 Hz is kept above a vertical cylindrical tube closed at lower end. The length of the tube is 120 cm. Water is slowly poured in just enough to produce resonance. Then the minimum height (velocity of sound = 340 m/s) of the water level in the tube for that resonance
A source of frequency 340 Hz is kept above a vertical cylindrical tube closed at lower end. The length of the tube is 120 cm. Water is slowly poured in just enough to produce resonance. Then the minimum height (velocity of sound = 340 m/s) of the water level in the tube for that resonance
Q.102 Correct
Q.102 In-correct
Q.102 Unattempt
A thin convex lens of focal length ‘f’ made of crown glass is immersed in a liquid of refractive index µl.(µ1>µc) where µc is the index of the crown glass.Then convex lens now is
A thin convex lens of focal length ‘f’ made of crown glass is immersed in a liquid of refractive index µl.(µ1>µc) where µc is the index of the crown glass.Then convex lens now is
Q.103 Correct
Q.103 In-correct
Q.103 Unattempt
Two convex lenses of focal lengths f1 and f2 form images with magnification m1 and m2 when used individually for an object kept at the same distance from the lenses.Then f1/f2 is
Two convex lenses of focal lengths f1 and f2 form images with magnification m1 and m2 when used individually for an object kept at the same distance from the lenses.Then f1/f2 is
Q.104 Correct
Q.104 In-correct
Q.104 Unattempt
With the help of a telescope that has an objective diameter 200 cm,it is proved that light of wavelength of the order of 6400 Å coming from a star can be easily resolved.Then the limit of resolution is
With the help of a telescope that has an objective diameter 200 cm,it is proved that light of wavelength of the order of 6400 Å coming from a star can be easily resolved.Then the limit of resolution is
Q.105 Correct
Q.105 In-correct
Q.105 Unattempt
Two charged identical metal spheres A and B repel each other with a force of 3×10−5N.Another identical uncharged sphere C is touched with sphere A and then it is placed midway between A and B.Then the magnitude of Net force on C is
Two charged identical metal spheres A and B repel each other with a force of 3×10−5N.Another identical uncharged sphere C is touched with sphere A and then it is placed midway between A and B.Then the magnitude of Net force on C is
Q.106 Correct
Q.106 In-correct
Q.106 Unattempt
The electrostatic potential inside a charged sphere is given as V=Ar2+B ,where r is the distance from the center of the sphere; A and B are constants. Then the charge density in the sphere is
The electrostatic potential inside a charged sphere is given as V=Ar2+B ,where r is the distance from the center of the sphere; A and B are constants. Then the charge density in the sphere is
Q.107 Correct
Q.107 In-correct
Q.107 Unattempt
Three unequal resistances are connected in parallel. Two of these resistance are in the ratio 1:2. The equivalent resistance value among these three connected in parallel is 1Ω . What isthe highest resistance value among these resistances if no resistance is fractional?
Three unequal resistances are connected in parallel. Two of these resistance are in the ratio 1:2. The equivalent resistance value among these three connected in parallel is 1Ω . What isthe highest resistance value among these resistances if no resistance is fractional?
Q.108 Correct
Q.108 In-correct
Q.108 Unattempt
Two electric resistors have equal value of resistance R.Each can be operated with a power of watts (w) at 220 volts.If the two resistance are connected in series to a 110 volts electric supply then the power generated in each resistor is
Two electric resistors have equal value of resistance R.Each can be operated with a power of watts (w) at 220 volts.If the two resistance are connected in series to a 110 volts electric supply then the power generated in each resistor is
Q.109 Correct
Q.109 In-correct
Q.109 Unattempt
A current of 1 A is flowing the sides of an equilateral triangle of side 4.5×10−2m.The magnetic field at the centroid of the triangle is (µ0=4π×10−7H/m)
A current of 1 A is flowing the sides of an equilateral triangle of side 4.5×10−2m.The magnetic field at the centroid of the triangle is (µ0=4π×10−7H/m)
Q.110 Correct
Q.110 In-correct
Q.110 Unattempt
a charged particle (charge = q; mass = m) is rotating in a circle of radius ‘R’ with uniform speed ‘V’. Ratio of its magnetic moment (µ) to the angular momentum (L) is
a charged particle (charge = q; mass = m) is rotating in a circle of radius ‘R’ with uniform speed ‘V’. Ratio of its magnetic moment (µ) to the angular momentum (L) is
Q.111 Correct
Q.111 In-correct
Q.111 Unattempt
Two small magnets have their masses and lengths in the ratio 1:2. The maximum torques experienced by them in a uniform magnetic field are the same. For small oscillations, the ratio oftheir time period is
Two small magnets have their masses and lengths in the ratio 1:2. The maximum torques experienced by them in a uniform magnetic field are the same. For small oscillations, the ratio oftheir time period is
Q.112 Correct
Q.112 In-correct
Q.112 Unattempt
Two coils have mutual inductance 0.005 H. THe current changes in the first coil according to equation I=I0sinωt,where I0=10A and ω=100πrads−1 The maximum value of emf in the second coil is
Two coils have mutual inductance 0.005 H. THe current changes in the first coil according to equation I=I0sinωt,where I0=10A and ω=100πrads−1 The maximum value of emf in the second coil is
Q.113 Correct
Q.113 In-correct
Q.113 Unattempt
A capacitance of (
10−3
2π
)F and an inductance of
100
π
mH and a resistance of 10 Ω are connected in series with an AC voltage source of V,Hz.The phase angle of the circiut is
A capacitance of (
10−3
2π
)F and an inductance of
100
π
mH and a resistance of 10 Ω are connected in series with an AC voltage source of V,Hz.The phase angle of the circiut is
Q.114 Correct
Q.114 In-correct
Q.114 Unattempt
Two equation given below :
(A) ∮
−
E
.
−
dA
=Q/∊0;(B)‌∮
−
B
.
−
dA
=0
They are
Two equation given below :
(A) ∮
−
E
.
−
dA
=Q/∊0;(B)‌∮
−
B
.
−
dA
=0
They are
Q.115 Correct
Q.115 In-correct
Q.115 Unattempt
A charged particle is accelerated from rest through a certain potential difference. The de Broglie wavelength is λ1 when it is accelerated through V1 and is λ2 when accelerated through V2 The ratio
λ1
λ2
 is
A charged particle is accelerated from rest through a certain potential difference. The de Broglie wavelength is λ1 when it is accelerated through V1 and is λ2 when accelerated through V2 The ratio
λ1
λ2
 is
Q.116 Correct
Q.116 In-correct
Q.116 Unattempt
If the first line of Lyman series has a wavelength 1215.4°A ,the first line of Balmer series is approximately
If the first line of Lyman series has a wavelength 1215.4°A ,the first line of Balmer series is approximately
Q.117 Correct
Q.117 In-correct
Q.117 Unattempt
A certain radioactive element disintegrates with a decay constant of 7.9×10−10/sec At a given instant of time, if the activity of the sample is equal to 55.3×1011 disintegration/sec, then number of nuclei at that instant of time
A certain radioactive element disintegrates with a decay constant of 7.9×10−10/sec At a given instant of time, if the activity of the sample is equal to 55.3×1011 disintegration/sec, then number of nuclei at that instant of time
Q.118 Correct
Q.118 In-correct
Q.118 Unattempt
The change in current through a junction diode is 1.2 mA when the forward bias voltage is changed by 0.6 V. The dynamic resistance is
The change in current through a junction diode is 1.2 mA when the forward bias voltage is changed by 0.6 V. The dynamic resistance is
Q.119 Correct
Q.119 In-correct
Q.119 Unattempt
A semiconductor has equal electron and hole concentration of 2×108m−3 On doping with a certain impurity, the electron concentration increases to 4×1010m−3 , then the new hole concentration of the semiconductor is
A semiconductor has equal electron and hole concentration of 2×108m−3 On doping with a certain impurity, the electron concentration increases to 4×1010m−3 , then the new hole concentration of the semiconductor is
Q.120 Correct
Q.120 In-correct
Q.120 Unattempt
A message signal of 12 kHz and peak voltage 20 V is used to modulate a carrier wave of frequency 12 MHz and peak voltage 30 V. Then the modulation index is
A message signal of 12 kHz and peak voltage 20 V is used to modulate a carrier wave of frequency 12 MHz and peak voltage 30 V. Then the modulation index is
Q.121 Correct
Q.121 In-correct
Q.121 Unattempt
Assertion(A) : Atom with completely filled and half filled subshells are stable.
Reason (R) :Completely filled and half filled subshells have symmetrical distribution of electrons and have maximum exchange energy
Assertion(A) : Atom with completely filled and half filled subshells are stable.
Reason (R) :Completely filled and half filled subshells have symmetrical distribution of electrons and have maximum exchange energy
Q.122 Correct
Q.122 In-correct
Q.122 Unattempt
The element with electronic configuration 1s22s22p63s23p23d104s1
The element with electronic configuration 1s22s22p63s23p23d104s1
Q.123 Correct
Q.123 In-correct
Q.123 Unattempt
Among the following, the isoelectronic species is/are
(i) O2−,F−,Na+,Mg2+
(ii) Na+,Mg+,Al3+,F−
(iii) N3−,O2−,F−,Ne
Among the following, the isoelectronic species is/are
(i) O2−,F−,Na+,Mg2+
(ii) Na+,Mg+,Al3+,F−
(iii) N3−,O2−,F−,Ne
Q.124 Correct
Q.124 In-correct
Q.124 Unattempt
What is the atomic number of the element with symbol Uus?
What is the atomic number of the element with symbol Uus?
Q.125 Correct
Q.125 In-correct
Q.125 Unattempt
Match the following

Match the following
Q.126 Correct
Q.126 In-correct
Q.126 Unattempt
The order of each covalent character of KF,KI,KCI is
The order of each covalent character of KF,KI,KCI is
Q.127 Correct
Q.127 In-correct
Q.127 Unattempt
If the kinetic energy in J. of CH4(molar mass=16gmol−1) at T(K) is X,the kinetic energy in J, of O2 (molar mass=32gmol−1) at the same temperature is
If the kinetic energy in J. of CH4(molar mass=16gmol−1) at T(K) is X,the kinetic energy in J, of O2 (molar mass=32gmol−1) at the same temperature is
Q.128 Correct
Q.128 In-correct
Q.128 Unattempt
The given figure shows the Maxwell distribution of molecular speeds of a gas at three different temperatures T1,T2, and T3 .The correct order of temperatures is
The given figure shows the Maxwell distribution of molecular speeds of a gas at three different temperatures T1,T2, and T3 .The correct order of temperatures is
Q.129 Correct
Q.129 In-correct
Q.129 Unattempt
In Haber's process 50.0 g of N2(g) and 10.0g of H2(g) are mixed to produce NH3(g).What is the number of NH3(g) formed ?
In Haber's process 50.0 g of N2(g) and 10.0g of H2(g) are mixed to produce NH3(g).What is the number of NH3(g) formed ?
Q.130 Correct
Q.130 In-correct
Q.130 Unattempt
The following reaction occurs in acidic medium
KMO4+8H++5e−→K++Mn2++4H2O
The following reaction occurs in acidic medium
KMO4+8H++5e−→K++Mn2++4H2O
Q.131 Correct
Q.131 In-correct
Q.131 Unattempt
Given that
N2(g)+3H(g)→2NH3(g);ΔHΘ=−92kJ
,the standard molar enthalpy of formation in kJ mol−1 of NH3(g) is
Given that
N2(g)+3H(g)→2NH3(g);ΔHΘ=−92kJ
,the standard molar enthalpy of formation in kJ mol−1 of NH3(g) is
Q.132 Correct
Q.132 In-correct
Q.132 Unattempt
Which one of the following is correct ?
Which one of the following is correct ?
Q.133 Correct
Q.133 In-correct
Q.133 Unattempt
pH of an aqueous solution of NH4Cl is
pH of an aqueous solution of NH4Cl is
Q.134 Correct
Q.134 In-correct
Q.134 Unattempt
What is the change in the oxidation state of Mn, in the reaction MnO4−, with H2O2 in acidic medium
What is the change in the oxidation state of Mn, in the reaction MnO4−, with H2O2 in acidic medium
Q.135 Correct
Q.135 In-correct
Q.135 Unattempt
Which one of the following will not give flame test ?
Which one of the following will not give flame test ?
Q.136 Correct
Q.136 In-correct
Q.136 Unattempt
Which one of the following forms a basic oxide ?
Which one of the following forms a basic oxide ?
Q.137 Correct
Q.137 In-correct
Q.137 Unattempt
The gas produced by the passage of air over hot coke is
The gas produced by the passage of air over hot coke is
Q.138 Correct
Q.138 In-correct
Q.138 Unattempt
In environmental chemistry the medium which is affected by a pollutant is called as the
In environmental chemistry the medium which is affected by a pollutant is called as the
Q.139 Correct
Q.139 In-correct
Q.139 Unattempt
The hybridisation of each carbon in the following compound is
CH3−
O
||
C
−CH2−CN
The hybridisation of each carbon in the following compound is
CH3−
O
||
C
−CH2−CN
Q.140 Correct
Q.140 In-correct
Q.140 Unattempt
The product Z of the following reaction is :
H3CC≡CH
2HBr
–––––>
Z
The product Z of the following reaction is :
H3CC≡CH
2HBr
–––––>
Z
Q.141 Correct
Q.141 In-correct
Q.141 Unattempt
Identify X and Y in the following reaction sequence
X
Zn
––––––––>
Y
O3
––––––––>
Zn−H0O
(CH3)2CO+CH2O
Identify X and Y in the following reaction sequence
X
Zn
––––––––>
Y
O3
––––––––>
Zn−H0O
(CH3)2CO+CH2O
Q.142 Correct
Q.142 In-correct
Q.142 Unattempt
The packing efficiency of simple cubic (sc), body centred cubic (bcc) and cubic close packing (ccp) lattices follow the order
The packing efficiency of simple cubic (sc), body centred cubic (bcc) and cubic close packing (ccp) lattices follow the order
Q.143 Correct
Q.143 In-correct
Q.143 Unattempt
The experimental depression in freezing point of a dilute solution is 0.25K.If the van't Hoff factor (i) is 2.0, the calculated depression in freezing point (in K) is
The experimental depression in freezing point of a dilute solution is 0.25K.If the van't Hoff factor (i) is 2.0, the calculated depression in freezing point (in K) is
Q.144 Correct
Q.144 In-correct
Q.144 Unattempt
The molality of an aqueous dilute solution containing non-volatile solute is 0.1m. What is the boiling temperature (in ‌∘C ) of solution ? (Boiling point elevation constant, Kb=0.52kg mol−1K; boiling temperature of water =100∘C).
The molality of an aqueous dilute solution containing non-volatile solute is 0.1m. What is the boiling temperature (in ‌∘C ) of solution ? (Boiling point elevation constant, Kb=0.52kg mol−1K; boiling temperature of water =100∘C).
Q.145 Correct
Q.145 In-correct
Q.145 Unattempt
Which one of the following is the correct plot of ∧m (in S‌‌cm2‌‌mol−1 and √c(in‌‌mol/L)
1
2
 KCl solution ?(y=∧m;x=√c)
Which one of the following is the correct plot of ∧m (in S‌‌cm2‌‌mol−1 and √c(in‌‌mol/L)
1
2
 KCl solution ?(y=∧m;x=√c)
Q.146 Correct
Q.146 In-correct
Q.146 Unattempt
For the reaction
5Br−(aq)+6H+(aq)+BrO3−(aq)→3Br2(aq)+3H2O(l)

if,−
Δ[BrO3−]
Δt
=0.01molL−1min−1,
−
Δ[Br2]
Δt
in‌‌molL−1min−1 is
For the reaction
5Br−(aq)+6H+(aq)+BrO3−(aq)→3Br2(aq)+3H2O(l)

if,−
Δ[BrO3−]
Δt
=0.01molL−1min−1,
−
Δ[Br2]
Δt
in‌‌molL−1min−1 is
Q.147 Correct
Q.147 In-correct
Q.147 Unattempt
Which one of the following is an emulsion?
Which one of the following is an emulsion?
Q.148 Correct
Q.148 In-correct
Q.148 Unattempt
Copper matte contains__________
Copper matte contains__________
Q.149 Correct
Q.149 In-correct
Q.149 Unattempt
X reacts with dilute nitric acid to form ‘laughing gas’. What is X ?
X reacts with dilute nitric acid to form ‘laughing gas’. What is X ?
Q.150 Correct
Q.150 In-correct
Q.150 Unattempt
Xenon reacts with fluorine at 873 K and 7 bar to form XeF4 In this reaction the ratio of Xenon and fluorine required is:
Xenon reacts with fluorine at 873 K and 7 bar to form XeF4 In this reaction the ratio of Xenon and fluorine required is:
Q.151 Correct
Q.151 In-correct
Q.151 Unattempt
Which of the following metal ions has a calculated magnetic moment value of √24 B.M.?
Which of the following metal ions has a calculated magnetic moment value of √24 B.M.?
Q.152 Correct
Q.152 In-correct
Q.152 Unattempt
Which one of the following does not exhibit geometrical isomerism?
Which one of the following does not exhibit geometrical isomerism?
Q.153 Correct
Q.153 In-correct
Q.153 Unattempt
The P Dispersity Index (PDI) of a polymer is (
−
Mw
= weight average molecular mass and Mn= number average molecular mass)
The P Dispersity Index (PDI) of a polymer is (
−
Mw
= weight average molecular mass and Mn= number average molecular mass)
Q.154 Correct
Q.154 In-correct
Q.154 Unattempt
Hormone that maintains the blood glucose level within the limit is:
Hormone that maintains the blood glucose level within the limit is:
Q.155 Correct
Q.155 In-correct
Q.155 Unattempt
Chloroxylenol is an example of _______________
Chloroxylenol is an example of _______________
Q.156 Correct
Q.156 In-correct
Q.156 Unattempt
Which one of the following has highest boiling point?
Which one of the following has highest boiling point?
Q.157 Correct
Q.157 In-correct
Q.157 Unattempt
X+Y
H+
––––––––>
Aspirin+H3CCOOH

Identify X and Y from the following

X+Y
H+
––––––––>
Aspirin+H3CCOOH

Identify X and Y from the following
Q.158 Correct
Q.158 In-correct
Q.158 Unattempt
R−CN
(i)SnCl2+HCl
–––––––––––––>
(ii)H3O+
R−CHO
What is the name of the reaction ?
R−CN
(i)SnCl2+HCl
–––––––––––––>
(ii)H3O+
R−CHO
What is the name of the reaction ?
Q.159 Correct
Q.159 In-correct
Q.159 Unattempt
What are the structures of Y and Z?

What are the structures of Y and Z?
Q.160 Correct
Q.160 In-correct
Q.160 Unattempt
Which is the strongest base among the following?
Which is the strongest base among the following?
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