CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 46 - 49 of 427

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Question number: 46

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

Appeared in Year: 2016

MCQ▾

Question

Olefin hydrogenation of using Wilkinson’s catalyst initiates with: (MHRD sample paper)

Choices

Choice (4) Response

a.

Olefin addition to Equation

b.

A phosphine dissociation from Equation

c.

Olefin addition to Equation

d.

A phosphine addition to Equation

Question number: 47

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

Appeared in Year: 2013

Match List-Ⅰ List-Ⅱ▾

Question

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

(A)

Equation

(i)

Hydro-formylation

(B)

Equation

(ii)

Heck coupling

(C)

PdEquation

(iii)

Asymmetric hydrogen transfer

(D)

Asymmetric hydrogen transfer

Asymmetric Hydrogen Transfer

Asymmetric hydrogen transfer

(iv)

Asymmetric hydrogenation

Choices

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

a.

  • (i)
  • (iv)
  • (ii)
  • (iii)

b.

  • (i)
  • (iii)
  • (ii)
  • (iv)

c.

  • (iv)
  • (ii)
  • (i)
  • (iii)

d.

  • (ii)
  • (iii)
  • (iv)
  • (i)

Question number: 48

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

Appeared in Year: 2015

MCQ▾

Question

Rate of Copper salt as Co-catalyst in Wacker process is: (CSIR June)

Choices

Choice (4) Response

a.

Oxidation of Pd (O) by Co (I)

b.

Oxidation of Pd (II) by Co (I)

c.

Oxidation of Pd (II) by Co (II)

d.

Oxidation of Pd (O) by Co (II)

Question number: 49

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

Appeared in Year: 2015

MCQ▾

Question

Reaction Equation follows a/an: (June)

Choices

Choice (4) Response

a.

Associative mechanism

b.

Dissociative mechanism

c.

Interchange (Ia)

d.

Interchange dissociative mechanism

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