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What is the coordination number for one-dimensional close packing?
What is the coordination number for a two-dimensional square close packed structure?
Voids in two-dimensional hexagonal close packed structure are ___________ in shape.
Which of the following properties holds true for a metalloid?
Which of the following is the correct Gibbs equation?
Which of the following is not an impurity generally present in crude metals?
Which of the following elements does not belong to group 16 of the periodic table?
Which of the following element is most reactive?
What is the criterion of the feasibility of a reaction at any temperature?
Which of the following metals cannot be refined by distillation?
Which is the most abundant group 16 element?
Which of the following halogen is radioactive?
How can a reaction with positive ΔG be made to occur?
For a metallic crystal, which band do the delocalized electrons occupy?
Metals are good conductors of heat and electricity. This property is conferred by _______ bonds.
A substance containing one band completely filled with electrons and other band completely empty, but with a possibility of the empty band becoming populated, behaves as a _________
What does the Ellingham diagram consist of?
Which of the following processes is used to purify lead?
Identify the incorrect statement with respect to antibiotics.
Which of the following is a narrow spectrum antibiotic?
Which of the following is used as an antiseptic for eyes?
According to the band theory, increase in number of atoms participating in crystal formation leads to ________ in number of molecular orbitals containing electrons.
Which of the following is a bactericidal antibiotic?
A certain antibiotic X is effective only against a few types of harmful microbes and cells. X is a _______ antibiotic.
Which of the following are not supposed to treat humans directly?
Which of the following compounds is added in soaps as an antiseptic?
Which of the following antifertility drugs consists of Estrogen derivatives?
What is the minimum number of reactions required for the conversion of aniline to 1,3,5-tribromobenzene?
Diazonium salts are used in which of the following industries?
Diazonium salts are specifically used as intermediates in the production of which of the following compounds?
Label the diagram correctly.
Diazonium salts are primarily used for the preparation of _______ substituted aromatic compounds.
What is the main product of the following reaction?
Which of the following is not a final product of the reaction between propylamine and nitrous acid?
Hinsberg ’s reagent is ______
Which of the following amines will form a product that is soluble in KOH, on reaction with Hinsberg ’s reagent?
Aniline is a _______ directing compound.
What is the major product formed when aniline reacts with bromine water at room temperature?
Which among the following statements is correct?
What is the order of quantities of all isomers of nitroaniline formed on the reaction of aniline with nitric acid and sulphuric acid at 288K?
Solid-state is denser than the liquid and gaseous states of the same substance. Which of the following is an exception to this rule?
Which of the following is not an example of lyophobic colloids?
What is the product formed at the cathode in the electrolysis of molten NaCl?
What is the integrated rate equation for a first order reaction?
What happens to the peak of the curve in the Maxwell-Boltzmann distribution graph if temperature increases?
In ______ constituent particles are closely packed leaving the least amount of vacant spaces.
What is the product formed at the cathode in the electrolysis of aqueous Na2SO4?
For a certain reaction the values of Arrhenius factor and Activation energy are 4 x 1013 collision/sec and 98.6KJ/mol at 303K. Calculate the rate constant if reaction is 1st order?( R = 8.341mol-1 K-1 )
Which of the following is the correct Arrhenius equation?
Which of the following is a characteristic of a multi-molecular colloid?