Chemistry Class-11: Chapter –12. The Organic Chemistry Some Basic Principles and Techniques Part – 2

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Question: 9

What is the correct order of decreasing stability of the following cations?

(I)

(II)

(III)

(i)

(ii)

(iii)

(iv)

Answer: (i)

Question: 10

Correct IUPAC name for is _________.

(i)

(ii)

(iii)

(iv)

Answer: (ii)

Question: 11

In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?

(i)

(ii)

(iii)

(iv)

Answer: (i)

Question: 12

Ionic species are stabilised by the dispersal of charge. Which of the following carboxylate ion is the most stable?

(i)

(ii)

(iii)

(iv)

Answer: (iv)

Question: 13

Electrophilic addition reactions proceed in two steps. The first step involves the addition of an electrophile. Name the type of intermediate formed in the first step of the following addition reaction.

(i)

(ii)

(iii)

(iv)

Answer: (iii)

Question: 14

Covalent bond can undergo fission in two different ways. The correct representation involving a heterolytic fission of is

(i)

(ii)

(iii)

(iv)

Answer: (ii)

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