Absolute alcohol can be obtained from rectifi | vedclass

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Question

(C) Rectified spirit contains approximately $95.6 \%$ ethanol and $4.4 \%$ water by mass,which forms a constant boiling azeotropic mixture. To obtain

Vedclass · Accepted Answer

Distilling with the appropriate amount of benzene

Vedclass · Answer

(C) Rectified spirit contains approximately $95.6 \%$ ethanol and $4.4 \%$ water by mass,which forms a constant boiling azeotropic mixture. To obtain absolute alcohol ($100 \%$ pure ethanol),the water must be removed. This is commonly achieved by the azeotropic distillation method,where benzene is added to the mixture. Benzene forms a ternary azeotrope with water and ethanol,allowing the water to be removed as a distillate,leaving behind absolute alcohol.

Absolute alcohol can be obtained from rectified spirit by:

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