Chemistry Class-11: Chapter –12. The Organic Chemistry Some Basic Principles and Techniques Part – 3

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Question: 15

The addition of to an alkene proceeds in two steps. The first step is the attack of to portion that can be shown as

(i)

(ii)

(iii)

(iv) All of these are possible

Answer: (ii)

II. Multiple Choice Questions (Type-II)

In the following questions two or more options may be correct.

Question: 16

Which of the following compounds contain all the carbon atoms in the same hybridization state?

(i)

(ii)

(iii)

(iv)

Answer: (i), (iv)

Question: 17

In which of the following representations given below spatial arrangement of group/ atom different from that given in structure ‘A’?

(A)

(i)

(ii)

(iii)

(iv)

Answer: (i), (iii), (iv)

Question: 18

Electrophiles are electron seeking species. Which of the following groups contain only electrophiles?

(i)

(ii)

(iii)

(iv)

Note: Consider the following four compounds for answering questions 19 and 20.

(I)

(II)

(III)

(IV)

Answer: (ii), (iii)