Question

Absolute alcohol can not be prepared from rectified spirit by simple distillation because
A. The boiling points of water and alcohol are very close
B. Water and alcohol form a constant boiling azeotropic mixture
C. `C_(2)H_(5)OH` forms H-bonds with water
D. Alcohols molecules are highly hydrated

Answer 1

Correct Answer - B
The ratio of water and alcohol in both phases (ie., vapour & liquid) is the same of the same and hence can be separated by fractional distillation.