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Esters are sweet-smelling substances and are used in making perfumes. Suggest some activity and the reaction involved in the preparation of an ester with a well-labeled diagram.

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Activity 

  • Take 1 mL ethanol (absolute alcohol) and 1 mL glacial acetic acid along with a few drops of concentrated sulphuric acid in a test tube.
  • Warm in a water-bath at about 60°C for at least 15 minutes as shown in the Figure (It should not be heated directly on flame as the vapours of ethanol catch fire) .
  • Pour into a beaker containing 20-50 mL of water and smell the resulting mixture.

\(CH_3COOH+CH_3CH_2OH\overset{Conc.H_2SO_4}\rightarrow CH_3COOCH_2CH_3+H_2\)

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