CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 42 - 45 of 427

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Question number: 42

» Physical Chemistry » Chemical Kinetics » Collision and Transition State Theories of Rate Constants

Appeared in Year: 2014

MCQ▾

Question

For a reaction, Equation if rate of consumption ofEquation . Then the rate of formation of Z (in mol Equation ) (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 43

» Physical Chemistry » Chemical Kinetics » Steady State Approximation

Appeared in Year: 2013

MCQ▾

Question

Variation of equilibrium constant (k) of a certain reaction with temperature (T) is

Equation

given R = 8.3 J K-1 mol-1 & values of Equation are: (June)

Choices

Choice (4) Response

a.

-166 KJ/mol and -24.9 Jk-1mol-1

b.

166 KJ/mol and -24.9 Jk-1mol-1

c.

-166 KJ/mol and 24.9 Jk-1mol-1

d.

166 KJ/mol and 24.9 Jk-1mol-1

Question number: 44

» Physical Chemistry » Polymer Chemistry » Molar Masses

Appeared in Year: 2015

MCQ▾

Question

Correct expression for product Equation [Equation and Equation are number average and weight average molar masses, respectively, of a polymer is] (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 45

» Physical Chemistry » Chemical Kinetics » Unimolecular Reactions

Appeared in Year: 2015

MCQ▾

Question

For a reaction on a surface,

Reaction one given on the surface

Reaction One Given on the Surface

Showing the Reaction one given on the surface

________ (1)

Reaction two given on the surface

Reaction Two Given on the Surface

Showing Reaction two given on the surface

________ (2)

At low pressure of H2, rate is proportional to (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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