CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 43 - 46 of 427

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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

given R = 8.3 J K-1 mol-1 & values of 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 [ and are number average and weight average molar masses, respectively, of a polymer is] (June)

Choices

Choice (4) Response

a.

b.

c.

d.

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.

b.

c.

d.

Question number: 46

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Reaction Mechanisms

Appeared in Year: 2016

MCQ▾

Question

Olefin hydrogenation of using Wilkinson’s catalyst initiates with: (MHRD sample paper)

Choices

Choice (4) Response

a.

Olefin addition to

b.

A phosphine dissociation from

c.

Olefin addition to

d.

A phosphine addition to

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