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A Grignard reagent reacts with solid carbon dioxide in dry ether; acid hydrolysis of the complex then gives what?
AA simple aldehyde
BA simple ketone
CA carboxylic acid
DA primary alcohol
Answer & Solution
Correct answer: C. A carboxylic acid
RMgX adds to CO2 to form RCOOMgX, which on hydrolysis with dilute HCl yields RCOOH with one extra carbon.
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