Physical Chemistry (CSIR Chemical Sciences): Questions 46 - 49 of 117

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Question number: 46

» Physical Chemistry » Chemical Thermodynamics » Maxwell's Relations

Appeared in Year: 2011

MCQ▾

Question

For a system of constant composition, the pressure (P) is given by: - (Dec)

Choices

Choice (4) Response

a.

(δVδS)T

b.

(δUδv)S

c.

(δUδV)T

d.

(δUδS)V

Question number: 47

» Physical Chemistry » Chemical Applications of Group Theory

Appeared in Year: 2011

MCQ▾

Question

Given the character table for point group C3v

Character table for the point group is given

Table showing the Character table for the point group is given

E

2C3

3σv

A1

1

1

1

z

A2

1

1

-1

A3

2

-1

0

(x, y)

Consider the reducible representation: -

Reducible representation is given

Table Showing the Reducible representation is given

E

2C3

3σv

T

6

3

0

Its irreducible components are- (June)

Choices

Choice (4) Response

a.

E+2A1+2A2

b.

2E+A1+A2

c.

3A1+3A2

d.

E2+2A1

Question number: 48

» Physical Chemistry » Molecular Spectroscopy » Rotational and Vibrational Spectra of Diatomic Molecules

Appeared in Year: 2014

MCQ▾

Question

C=O bond length is 120pm in CO2. Moment of inertia of CO2 would be close to (masses of C and O are 1.9×1027kg and 2.5×1027kg) . (Dec)

Choices

Choice (4) Response

a.

7.2×1045kgm2

b.

1.8×1045kgm2

c.

5.4×1045kgm2

d.

3.6×1045kgm2

Question number: 49

» Physical Chemistry » Molecular Spectroscopy » Rotational and Vibrational Spectra of Diatomic Molecules

Appeared in Year: 2012

MCQ▾

Question

For the vibrational Raman spectrum of a homonuclear diatomic molecule, the selection rule under harmonic approximation is: - (June)

Choices

Choice (4) Response

a.

15.6cm1

b.

7.8cm1

c.

11.7cm1

d.

3.9cm1

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