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. Compound (B) and (C) are...

. Compound (B) and (C) are

A

B

C

D

(B) is (II) and (C) (III)

Text Solution

Verified by Experts

The correct Answer is:
B
Hydrogenation of the triple bond to double bond by Lindlar.s catalyst or by P-2 or Brown catalyst, i.e `H_2 + Ni_2 B` takes place by syn addition, so product is cis,cis(II).
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