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Q.
Absolute alcohol can be obtained from rectified spirit
Alcohols Phenols and Ethers
Solution:
Absolute alcohol is $99 \%$ pure alcohol. Rectified spirit contains $95.8796$ ethanol and $4.13^{\circ}$ water. Absolute alcohol can be prepared from rectified spirit by azeotropic distillation. Azeotropic distillation is the use of a third component to separate two close-boiling components, usually refers to the specific technique of adding another component to generate a new, lower-boiling azeotrope. For example-with the addition of benzene to water and ethanol.