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Describe an activity for esterification

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Describe an activity for esterification

Posted by Rajat Raghav 6 years ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 6 years ago

An activity to form an Ester in a school laboratory:

Take 2 ml of ethanoic acid in a test tube and and 2 ml of pure ethanol (absolute alcohol). Add 2 drops of concentrated sulphuric acid into the test tube. Put this test tube in a beaker in hot water for about 5 minutes on a bunsen flame using a wire gauze. Pour the contents of the test tube into a 250 ml beaker containing 50 ml of water and smell the resulting solution. A sweet odour of ester is obtained .

CH₃COOH + C₂H₅OH ---(Conc. H₂SO₄)---> CH₃COOC₂H₅+ H₂O.

CH₃COOH- Ethanoic acid (acetic acid)
C₂H₅OH- (Ethanol) (Ethyl alcohol)
CH₃COOC₂H₅- Ethyl ethanoate (Ethyl acetate)(sweet smelling Ester)

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