Propane is not formed when $C_{3} H_{7} M g B r$ is treated with _________ .

H_{2}

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Phenol

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Ethanoic acid

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2-Butyne

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Solution

The correct option is D 2-Butyne
$H - H$ , $P h O - H$ and $M e C O O - H$ contain an active H atom. $C_{3} H_{7} M g B r$ reacts with them to give propane gas. 2-Butyne ( $M e - \equiv - M e$ ) does not have any active H atom, and hence, does not react with Grignard reagent.

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Propane is not formed when C3H7MgBr is treated with _________ .

The correct option is D 2-ButyneH−H, PhO−H and MeCOO−H contain an active H atom. C3H7MgBr reacts with them to give propane gas. 2-Butyne (Me−≡−Me) does not have any active H atom, and hence, does not react with Grignard reagent.

Propane is not formed when $C_{3} H_{7} M g B r$ is treated with _________ .

The correct option is D 2-Butyne
$H - H$ , $P h O - H$ and $M e C O O - H$ contain an active H atom. $C_{3} H_{7} M g B r$ reacts with them to give propane gas. 2-Butyne ( $M e - \equiv - M e$ ) does not have any active H atom, and hence, does not react with Grignard reagent.