MHT CET Chemistry question

Chemistry Aldehydes, Ketones and Carboxylic Acids MHT CET

Laboratory method for the preparation of acetyl chloride is

(A)\mathrm{CH_{3}COOH\ +\ SOCl_{2}\ \rightarrow \ CH_{3}COCl}Correct
(B)\mathrm{CH_{3}COOH\ +\ PCl_{3}\ \rightarrow \ CH_{3}COCl}
(C)\mathrm{CH_{3}COONa\ +\ PCl_{3}\ \rightarrow \ CH_{3}COCl}
(D)\mathrm{CH_{3}COCH_{3}\ +\ PCl_{3}\ \rightarrow \ CH_{3}COCl}

Answer: (A)

Solution

Carboxylic acids are converted into acyl chlorides by , which is preferred because the by-products and escape as gases, leaving pure

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Question ID VK-080944