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Absolute alcohol can be prepared from re...

Absolute alcohol can be prepared from rectified spirit by

A

distillation under reduced pressure

B

azeotropic distillation with benzene

C

Fractional distillation

D

Keeping over fresh CaO for few hours followed by distilling .

Text Solution

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The correct Answer is:
B, D
Absolute alcohol is manufactured from rectified spirit by azeotropic distillation with benzene.On a small scale, in laboratory, absolute alcohol can be prepared by keeping rectified spirit over fresh CaO (which absorbs water) for few hours followed by distillation
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