CSIR Chemical Sciences: Questions 165 - 170 of 329

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Question number: 165

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

Appeared in Year: 2011

MCQ▾

Question

Which one of the following exhibit rotational spectroscopy? (June)

Choices

Choice (4) Response

a.

CO2

b.

CO

c.

N2

d.

H2

Question number: 166

» Physical Chemistry » Chemical Applications of Group Theory

Appeared in Year: 2013

MCQ▾

Question

A molecule contains following symmetry operation E,2C6,2C3,C2,3σd,3σv . The number of classes and order of symmetry point group is (June)

Choices

Choice (4) Response

a.

3, 12

b.

5, 12

c.

6, 12

d.

6, 6

Question number: 167

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Find the given reaction above

Find the Given Reaction Above

Find the given reaction above

Given reaction as:

Choices

Choice (4) Response

a.

Stille reaction

b.

Wacker process

c.

Suzukii coupling

d.

Hydroformylation

Question number: 168

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Consider the reaction.

Understanding of excess and reflux process

Understanding of Excess and Reflux Process

Understanding of excess and reflux process

‘C’ has 1 ‘HNMR signal; B has 2’ HNMR signals

Choices

Choice (4) Response

a.

16e specie = A

b.

Aromatic ligand

c.

18e specie = B

d.

A has olefinic ligand.

Question number: 169

» Inorganic Chemistry » Organometallic Compounds » Organometallics in Homogeneous Catalysis

Appeared in Year: 2014

MCQ▾

Question

Compound [Re2(Me2PPh)4Cl4], M having configuration σ2π4δ2δ*2 can be oxidized. Formal metal-metal bond order M, M+andM+2 are:

Choices

Choice (4) Response

a.

3.5, 4.0, and 3.0

b.

3.0, 4.0 and 3.5

c.

4.0, 3.5, 3.0

d.

3.0, 3.5, 4.0

Question number: 170

» Inorganic Chemistry » Organometallic Compounds » Bonding and Structure and Reactivity

Appeared in Year: 2015

MCQ▾

Question

Approximate position of νcobond(Cm1) in the solid state infrared spectrum and the Fe-Fe bond order in [Fe(η5Cp)(CO)(CO)]2 (non-centrosymmetric) respectively, are (Dec)

Choices

Choice (4) Response

a.

(2020, 1980, 1800) and one

b.

(2020, 1981, 1800) and one

c.

(2020, 1980) and one

d.

(2143) and one

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