CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 21 - 24 of 427

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Question number: 21

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

Appeared in Year: 2013

MCQ▾

Question

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

(June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 24

» Physical Chemistry » Chemical Kinetics » Steady State Approximation

Appeared in Year: 2013

MCQ▾

Question

Overall rate law of following complex reaction.

Equation (Fast equilibrium)

Equation (Fast equilibrium)

Equation (Slow)

By SSA, would be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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