CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 245 - 248 of 427

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Question number: 245

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

Appeared in Year: 2015

MCQ▾

Question

Reaction Equation follows a/an: (June)

Choices

Choice (4) Response

a.

Associative Mechanism

b.

Interchange dissociative mechanism

c.

Interchange Equation .

d.

Dissociative mechanism

Question number: 246

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

Appeared in Year: 2013

Match List-Ⅰ List-Ⅱ▾

Question

Consider the following catalyst in I and reaction in II (CSIR June)
List-Ⅰ List-Ⅱ

(A)

Equation

(i)

Hydrofomylation

(B)

Equation

(ii)

Assymmetric hydrogen transfer

(C)

Equation

(iii)

Heck Coupling

(D)

Hydrogen transfer reactions

Hydrogen Transfer Reactions

Hydrogen transfer reactions

(iv)

Asymmetric hydrogenation

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (ii)
  • (iii)
  • (iv)

b.

  • (i)
  • (iv)
  • (iii)
  • (ii)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (iii)
  • (ii)
  • (i)
  • (iv)

Question number: 247

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

Appeared in Year: 2015

MCQ▾

Question

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

Choices

Choice (4) Response

a.

It follows the Equation mechanism

b.

Its rate is Proportional to concentration of both reactants.

c.

Obeys 1st order kinetics

d.

Its rate is dependent only on concentration of Equation

Question number: 248

» Inorganic Chemistry » Organometallic Compounds » Organometallics in Homogeneous Catalysis

Appeared in Year: 2015

MCQ▾

Question

Role of copper self as co-catalyst in Wacker process is: (CSIR June)

Choices

Choice (4) Response

a.

Oxidation of Pd (II) by Cu (II)

b.

Oxidation of Pd (0) by Cu (II)

c.

Oxidation of Pd (0) by Cu (I)

d.

Oxidation of Pd (II) by Cu (I)

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