1.

In the reaction H_(3)C-overset(Br)overset(|)CH-CH_(2)-Brunderset((ii)C_(2)H_(5)Br)overset((i)"X mole "NaNH_(2))toCH_(2)-C-=C-C_(2)H_(5) The value of [X] is:

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ONE
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Answer :B


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