Physical Chemistry-Chemical Kinetics (CSIR Chemical Sciences): Questions 38 - 41 of 41

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 329 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

Question number: 38

» 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.

1[H2]12

b.

[H2]

c.

[H2]12

d.

1[H2]

Question number: 39

» Physical Chemistry » Chemical Kinetics » Determination of Reaction Mechanisms

Appeared in Year: 2013

MCQ▾

Question

Ligand that is/are fluxonial in [(η5Cp)(η1Cp)Fe(CO)2] in temperature range 221 - 298K are:

Choices

Choice (4) Response

a.

η1Cp

b.

η1CpandCO

c.

η5Cp

d.

η5Cp&CO

Question number: 40

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

Appeared in Year: 2013

MCQ▾

Question

A radioactive 41Ar initially decays at the rate of 34, 500 disintegrations/minute, but decay rate falls to 21, 500 disintegration/minute after 75 minutes. The t12 for 41Ar is, (June)

Choices

Choice (4) Response

a.

220 mins

b.

90 mins

c.

180 mins

d.

110 mins

Question number: 41

» Physical Chemistry » Chemical Kinetics » Complex Reactions

Appeared in Year: 2016

MCQ▾

Question

32P radio isotope, used in leukemia therapy has t1214.26days.What%of32P remains after 35 days? (CSRD MHRD Sample Paper Question)

Choices

Choice (4) Response

a.

30%

b.

18.3 %

c.

8%

d.

81.7%

Sign In