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Chemistry Test 93
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Chemistry Test 93

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  • Question 1/10
    4 / -1

    Which of the following aqueous solutions will be electrically neutral ?

  • Question 2/10
    4 / -1

    The specific conductivity of N/10 KCl solution is 0.0212 ohm–1 cm–1 and the resistance of cell containing this solution is 55 ohm. The cell constant is :

  • Question 3/10
    4 / -1

    Which of the following complex salt has maximum conductance in solution :-

  • Question 4/10
    4 / -1

    A graph was plotted between molar conductivity of various electrolytes (NaCl, HCl and NH4OH) and  (in molL–1). Correct answer is  :-

  • Question 5/10
    4 / -1

    The molar conductance of acetic acid at infinite dilution, if Λο for CH3COONa, NaCl and HCl are 91.0, 126.5 and 426.2 S cm2 mol–1 respectively :-

  • Question 6/10
    4 / -1

    If limiting equivalent conductance of NH4Cl, NaOH and NaCl are a, b and c ohm–1 m2 g eq–1 respectively then what will be  of NH4OH.

  • Question 7/10
    4 / -1

    What will be the molar conductivity at infinite dilution for NH4OH if at infinite dilution the molar conductivites of Ba(OH)2, BaCl2 and NH4Cl are 523.28, 280.0 and 129.8 ohm–1 cm2 mol–1 respectively. :-

  • Question 8/10
    4 / -1

    The electrode potentials for     
    Cu2+(aq) + e– → Cu+(aq)
    and  Cu+(aq) + e– → Cu(s)
    are +0.15 V and +0.50 V respectively. The value of  will be :-

  • Question 9/10
    4 / -1

    The ionization constant of a weak acid (HX) is 9 × 10–6 while the equivalent conductance of its 0.01 M solution is 30 S cm2 eq–1. The equivalent conductance of the electrolyte at infinite dilution will be :-

    Solutions

     

  • Question 10/10
    4 / -1

    E° for Cl2(g) + 2e–  2Cl–(aq) is 1.36 V, 
    E° for Cl–(g)  1/2Cl2(g) + e– is :

    Solutions

    E° = –1.36 V

     

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