CSIR Chemical Sciences: Questions 249 - 252 of 427

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Question number: 249

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

Appeared in Year: 2015

MCQ▾

Question

Find Product of reaction of carbonyl metalates Equation and Equation with Equation respectively are (CSIR Dec)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 250

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Reaction Mechanisms

Appeared in Year: 2015

MCQ▾

Question

Correct statement about the substitution reaction of Equation with Equation to give Equation is (Dec)

Choices

Choice (4) Response

a.

It follows Equation mechanism

b.

Its rate is dependent only on concentration of Equation

c.

Its rate is proportional to concentration of both the reactants.

d.

It obeys first order kinetics.

Question number: 251

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Spectral and Magnetic Properties

Appeared in Year: 2015

MCQ▾

Question

Equation is deep purple in colour whereas Equation is colourless. This is due to greater energy required for________ (Dec)

Choices

Choice (4) Response

a.

Charge transfer from O to Re compared to O to Mn

b.

dd transition in Re compound compared to Mn compound

c.

Charge transfer from O to Mn compared to Re

d.

dd transition in Mn compound compared to Re compound

Question number: 252

» Physical Chemistry » Principles of Quantum Mechanics » Particle-in-a-Box

Appeared in Year: 2013

MCQ▾

Question

For particle in a box in [0, L] value of Equation in Equation would be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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