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Alcohols, Phenols And Ethers

Question

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Aqueous 10% NaHCO₃ solution is used as a reagent for identifying 'A'. Which of the following compounds yield 'A' on hydrolysis?

CH₃COOC₂H₅

C₂H₅-COO-C₂H₅

CH₃CHO

CH₃CH₂OH

Solution

A.

CH₃COOC₂H₅

NaHCO₃ is basic in nature so it is used in the identification of acid only. In the given compound only ester (CH₃COOC₂H₅) on hydrolysis gives acid as

${CH}_{3} {COOC}_{2} H_{5} + H_{2} O \overset{}{\to} \underset{Acetic acid}{{CH}_{3} COOH} + \underset{Ethyl alcohol}{C_{2} H_{5} OH}$

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