1.

Compound (B) is same when (A) is:A. (a) `Me--=-Me`B. C. (c) `H--=-H`D.

Answer» Correct Answer - A::C::D
When alkyne is symmetrical, the same product is obtained by (i) catalytical hydration, (ii) mercuration-demercuration, and (iii) hydroboration oxidation reactions.


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