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Grignard Reagent for Alkenes

The treatment...

Question

The treatment of $C H_{3} M g X$ with $C H_{3} - C \equiv C - H$ produces:

A

C H_{3} - C \equiv C - C H_{3}

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B

C H_{3} - C H_{3} | C = C H_{2}

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C

C H_{2} = C = C H_{2}

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D

C H_{4}

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Solution

The correct option is D $C H_{4}$

Grignard reagent abstracts the acidic proton as it acts as a base when an acidic hydrogen is present. The terminal alkyne hydrogen is mildly acidic.

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Q. The treatment of

C H_{3} M g X

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