Hydrocarbons - Result Question 52

37. The correct statement(s) for the following addition reactions is (are)

(2017 Adv.)

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(a) $(M$ and $O)$ and $(N$ and $P)$ are two pairs of enantiomers

(b) Bromination proceeds through trans-addition in both the reactions

(c) $O$ and $P$ are identical molecules

(d) $(M$ and $O$ ) and $(N$ and $P$ ) two pairs of diastereomers

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Answer:

Correct Answer: 37. (a,b,d)

Solution:

  1. Addition of halogen at double bond occur in antiorientation via cyclic halonium ion intermediate.

(i)

(ii)

<img src=“https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/4ca92e27-11ce-4e91-7972-ee52eb31c100/public"width="400">

Here, $(M+O)$ and $(N+P)$ are pair of diastereomers.