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Acidic hydrogen is present in

$\begin{array}{1 1}(a)\;\text{Ethyne}&(b)\;\text{Ethene}\\(c)\;\text{Benzene}&(d)\;\text{Ethane}\end{array}$

1 Answer

In alkynes acidic hydrogen is present and it is attached to triply bonded C atoms.The hydrogen can be easily removed by means of a stong base.
Hence (a) Ethyne is the correct answer.
answered Mar 21, 2014 by sreemathi.v

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