CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 6 - 10 of 427

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Question number: 6

» Physical Chemistry » Statistical Thermodynamics » Kinetic Theory of Gases

MCQ▾

Question

Absorption of gas is described by Langmuir isotherm with equilibrium constant at 25. Pressure (KPa) at which fractional surface coverage is 0.95 is,

Choices

Choice (4) Response

a.

11.1

b.

42.2

c.

d.

21.1

Question number: 7

» Physical Chemistry » Polymer Chemistry » Kinetics of Polymerization

Appeared in Year: 2012

MCQ▾

Question

A polymer sample has following composition:

Table showinh the Number of molecules and molecular weight

Number of molecules and molecular weight

No. of molecules

Molecular weight

10

1000

50

2000

40

4000

Polydispersity Index of polymer is: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 8

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

Appeared in Year: 2013

MCQ▾

Question

Rate equation for reaction is possible mechanism consistent with this rate is, (June)

Choices

Choice (4) Response

a.

b.

;

c.

d.

Question number: 9

» Physical Chemistry » Chemical Kinetics » Complex Reactions

Appeared in Year: 2013

MCQ▾

Question

A chemical reaction involving

Non-Liner + Non-Linear molecule Non-Linear activated complex. Number of vibrational degree of freedom, in activated complex. (where N is number of atoms). (June)

Choices

Choice (4) Response

a.

(3N – 5)

b.

(3N − 6)

c.

(3N − 7)

d.

(3N − 8)

Question number: 10

» Physical Chemistry » Chemical Kinetics » Enzyme Kinetics

Appeared in Year: 2012

MCQ▾

Question

In Michaelis – Menten mechanism for enzyme kinetics, the expressed obtained as________

values of k3 (molL-1 S-1) and K (Michaelis constant) respectively are (June)

Choices

Choice (4) Response

a.

b.

c.

d.

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