Multiple choice

X compound reacts with methyl alcohol in presence of acid to give Y compound. Y compound gives sweet-smelling and used in making perfumes and as flavouring agents. What is X and Y?

  1. X = CH3CH2OH, Y = CH3COOH

  2. X = CH3COOH, Y = CH3COCH3

  3. X = CH3OCH3, Y = CH3COOH

  4. X = CH3COOH, Y = CH3COOCH3

  5. X = CH3COOH, Y = CH3COOCH2CH3
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D Correct answer
Explanation

Action of carboxylic acids with alcohols in presence of acids to give ester, this reaction is known as esterification. Esters are sweet-smelling substances. These are used in making perfumes and as flavouring agents. Esters react in the presence of an acid or a base to give back the alcohol and carboxylic acid. CH3COOH + CH3OH □(→┴Acid ) CH3COOCH3.

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