Physical Chemistry-Chemical Kinetics (CSIR (Council of Scientific & Industrial Research) Chemical Sciences): Questions 28 - 32 of 41

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Question number: 28

» Physical Chemistry » Chemical Kinetics » Photochemical Reactions

Appeared in Year: 2015

MCQ▾

Question

First order rate constant for a animolecular gas phase reaction A products, that follows Lindemann mechanism is 2.0 of = 1 atm and 4.0 of = 2 atm. The rate constant for activation step is: - (December)

Choices

Choice (4) Response

a.

b.

c.

8.0

d.

Question number: 29

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

Appeared in Year: 2013

MCQ▾

Question

In a chemical reaction, total pressure at equilibrium is 6 atm. The value of equilibrium constant is (June)

Choices

Choice (4) Response

a.

36

b.

1

c.

9

d.

Question number: 30

» Physical Chemistry » Chemical Kinetics » Empirical Rate Laws and Temperature Dependence

Appeared in Year: 2013

MCQ▾

Question

Isotherm which has fractional coverage, linearly dependent on pressure at low pressure but almost independent at high pressure is called. (June)

Choices

Choice (4) Response

a.

Tonkin isotherm

b.

Langmuir isotherm

c.

Freundlich isotherm

d.

BET isotherm

Question number: 31

» Physical Chemistry » Chemical Kinetics » Enzyme Kinetics

Appeared in Year: 2015

MCQ▾

Question

and Km for an enzyme catalyst reaction are and 1.0 M, respectively. The rate of reaction when the substrate concentration is : - (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 32

» Physical Chemistry » Chemical Kinetics » Determination of Reaction Mechanisms

Appeared in Year: 2012

MCQ▾

Question

Decomposition of on Mo surface follows Langmuir Hinshelwood mechanism. Decomposition was carried out at low pressure. Initial pressure of was torr. The pressure of was reduced to torr ion 10 mins. Rate constant of decomposition of is________ (December)

Choices

Choice (4) Response

a.

b.

c.

d.

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