5)I am a sweet smelling substance and I am used in making perfumes and in
flavouring agent, How am I prepared?
Answers
Explanation:
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
0
C for at least 15 minutes as shown in the figure (It should not be heated directly on the flame as the vapor of ethanol catches fire)
Pour into a beaker containing 20−50 ml of water and smell the resulting mixture
Ethanoic acid Ethanol Ester
Then the sweet smell would be observed.
Hence, the answer is Ester.
Explanation:
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 the flame as the vapour of ethanol catches fire)
Pour into a beaker containing 20−50 ml of water and smell the resulting mixture.
CH3COOH+CH 3 CH2OH ----∆Conc.H2SO4 CH3---- COOCH2CH3 +H2O
Ethanoic acid Ethanol Ester
Then the sweet smell would be observed.
Hence, the answer is Ester.