Identify the reagents A and B respectively in | vedclass

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(A) The conversion of acetic acid $(CH_3COOH)$ to acetyl chloride $(CH_3COCl)$ is achieved using thionyl chloride $(SOCl_2)$. This is a standard react

Vedclass · Accepted Answer

$SOCl_2, H_2 / Pd-BaSO_4$

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(A) The conversion of acetic acid $(CH_3COOH)$ to acetyl chloride $(CH_3COCl)$ is achieved using thionyl chloride $(SOCl_2)$. This is a standard reaction for converting carboxylic acids to acid chlorides.The conversion of acetyl chloride $(CH_3COCl)$ to acetaldehyde $(CH_3CHO)$ is a Rosenmund reduction,which uses hydrogen gas in the presence of palladium catalyst poisoned with barium sulfate $(H_2 / Pd-BaSO_4)$.Therefore,reagent $A$ is $SOCl_2$ and reagent $B$ is $H_2 / Pd-BaSO_4$.

Identify the reagents $A$ and $B$ respectively in the following reactions: $CH_3COOH$ $\xrightarrow{A} CH_3COCl$ $\xrightarrow{B} CH_3CHO$

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