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JEE Main Chemistry question

ChemistryHaloalkanes and HaloarenesJEE Main

A ketone reacted with C₂H₅MgBr reagent followed by hydrolysis gave a product which, on dehydration, gives an alkene. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is:

Answer: (C)

Solution

Ozonolysis fragments identify the alkene as (C₂H₅)₂C=CH–CH₃; this arises from dehydration of

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Question ID VK-149851