Which of the following combinations can be us | vedclass

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(C) Ethanol $(C_2H_5OH)$ can be synthesized as a byproduct when an ethyl ester like ethyl acetate $(CH_3COOC_2H_5)$ reacts with a Grignard reagent $(C

Vedclass · Accepted Answer

$CH_3MgI$ and $CH_3COOC_2H_5$

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(C) Ethanol $(C_2H_5OH)$ can be synthesized as a byproduct when an ethyl ester like ethyl acetate $(CH_3COOC_2H_5)$ reacts with a Grignard reagent $(CH_3MgI)$. The reaction involves the nucleophilic attack of the Grignard reagent on the carbonyl carbon,leading to the displacement of the ethoxide group $(C_2H_5O^-)$. Upon hydrolysis,this ethoxide group forms ethanol $(C_2H_5OH)$. Reaction: $CH_3COOC_2H_5 + CH_3MgI \rightarrow CH_3COCH_3 + C_2H_5OMgI$ $C_2H_5OMgI + H_2O \rightarrow C_2H_5OH + Mg(OH)I$

Which of the following combinations can be used to synthesize ethanol?

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$(i) \ CH_3CH_2Br + H_2O \longrightarrow CH_3CH_2OH + HBr$
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Which one of the following will produce a primary alcohol by reacting with $CH_3MgI$?

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