Absolute alcohol cannot be obtained by simple fractional distillation because:....

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Absolute alcohol cannot be obtained by simple fractional distillation because:
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(1) Pure \( \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \) is unstable
(2) \( \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \) forms hydrogen bonds with water
(3) Boiling point of \( \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \) is very close to that of water
(4) Constant boiling azeotropic mixture is formed with water


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