Physical Chemistry-Chemical Kinetics (CSIR (Council of Scientific & Industrial Research) Chemical Sciences): Questions 11 - 14 of 41

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Question number: 11

» Physical Chemistry » Chemical Kinetics » Photochemical Reactions

Appeared in Year: 2015

MCQ▾

Question

In a photochemical reaction, radical are formed according to the equation.

of light absorbed, rate of overall reaction is proportional to (June)

Choices

Choice (4) Response

a.

I

b.

c.

d.

]

Question number: 12

» Physical Chemistry » Chemical Kinetics » Determination of Reaction Mechanisms

MCQ▾

Question

Concentration of a reactant decreases linearly with time. What is order of reaction? (CSRD MHRD Sample Paper Question)

Concentration of a reactant decreases linearly with time

Concentration of a Reactant Decreases Linearly With Time

Graph showing concentration of a reactant decreases linearly with time

Choices

Choice (4) Response

a.

1

b.

0

c.

2

d.

Fraction

Question number: 13

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

Appeared in Year: 2013

MCQ▾

Question

Rate constant of a unimolecular reaction was and at T = 120 k and T = 360 k. Rate constant (in s-1) at 240k would be (December)

Choices

Choice (4) Response

a.

2.4 × 10 - 1

b.

1.8 × 10 - 3

c.

d.

Question number: 14

» Physical Chemistry » Chemical Kinetics » Enzyme Kinetics

Appeared in Year: 2013

MCQ▾

Question

For an enzyme catalyzed reaction a Lineweaver Burk plot gave the following data:

Slope = 40s, Intercept = 4 (m mol dm-3 s-1)

If initial concentration of enzyme is mol dm-3 . What is catalytic efficiency of reaction? (June)

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
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