CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 20 - 24 of 427

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Question number: 20

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

Appeared in Year: 2013

MCQ▾

Question

Half-Life of a zero order reaction (A→P) is given by (k = rate constant) (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 21

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

Appeared in Year: 2013

MCQ▾

Question

Equilibrium population ration () of a doubly degenerate energy level () lying 2 unit higher than a lower non-degenerate energy level (), will be

(June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 22

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

Appeared in Year: 2012

MCQ▾

Question

Arhenius parameter for thermal decomposition of NOCl, 2NOCl (g) → 2NO (g) + Cl2 (g)

Ea = 105 kJ/mol

RT = 2.5 kJ/mol Enthalpy (kJ/mol) of activated complex will be (December)

Choices

Choice (4) Response

a.

110

b.

102.5

c.

105

d.

100

Question number: 23

» Physical Chemistry » Polymer Chemistry » Molar Masses

MCQ▾

Question

Molar masses of monodisperse and polydisperse polymers obey: (CSRD MHRD Sample Paper Question)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 24

» Physical Chemistry » Chemical Kinetics » Steady State Approximation

Appeared in Year: 2013

MCQ▾

Question

Overall rate law of following complex reaction.

(Fast equilibrium)

(Fast equilibrium)

(Slow)

By SSA, would be

Choices

Choice (4) Response

a.

b.

c.

d.

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