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Question

a) Define "Esterification"
b) Write any three uses of ethanol.

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Solution

a) Ethanol reacts with ethanoic acid in the presence of conc. H2SO4 to form ethyl ethanoate & water.
The compound formed by the reaction of an alcohol with carboxylic acid is known as ester (fruit smelling compound) & the reaction is called esterification.
C2H5OH+CH3COOHCH3COOC2H5+H2O
b) Uses of ethanol are:
  • It is used as solvent for gums and resins.
  • It used in thermometers and spirit lamps.
  • It is used in the manufacture of certain chemicals like acetaldehyde and acetic acid

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