JEE Advanced 2015 Chemistry question

Under hydrolytic conditions, the compounds used for preparation of linear polymer and for chain termination, respectively, are

(A) and
(B) and Correct
(C) and
(D) and

Answer: (B)

Solution

Hydrolysis replaces each Si-Cl by Si-OH, and the silanols condense to Si-O-Si links. gives with two OH groups, which condenses into linear chains . gives with a

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Question ID VK-026457