CO_2 on reaction with ethyl magnesium bromide | vedclass

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(B) The reaction of a Grignard reagent $(R-MgX)$ with carbon dioxide $(CO_2)$ followed by acid hydrolysis yields a carboxylic acid with one additional

Vedclass · Accepted Answer

Propanoic acid

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(B) The reaction of a Grignard reagent $(R-MgX)$ with carbon dioxide $(CO_2)$ followed by acid hydrolysis yields a carboxylic acid with one additional carbon atom.Ethyl magnesium bromide is $CH_3CH_2MgBr$.The reaction is:$CH_3CH_2MgBr + CO_2 \rightarrow CH_3CH_2COOMgBr$$CH_3CH_2COOMgBr + H_2O/H^+ \rightarrow CH_3CH_2COOH + Mg(OH)Br$The product formed is propanoic acid $(CH_3CH_2COOH)$.

$CO_2$ on reaction with ethyl magnesium bromide gives

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