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Question

Which of the following compounds will form a hydrocarbon on reaction with a Grignard reagent?

A
Ethanol
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B
Ethanal
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C
Propanone
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D
None of the above
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Solution

The correct option is A Ethanol
A Grignard reagent reacts with compounds containing active H atom, such as water, ammonia, amines, alcohols, alkynes etc., to form a hydrocarbon.

It does not form hydrocarbon with ethanal and propanone.

RMgX+ROHRH+MgXOR

Option A is correct.

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