Chemistry
(i) Why is pure acetic acid known as glacial acetic acid?
(ii) Give a chemical equation for the reaction between ethyl alcohol and acetic acid.
Organic Chemistry
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Answer
(i) Anhydrous acetic acid on cooling below 16.5°C, crystallizes out in the pure form, forming a crystalline mass resembling ice [m.p. around 17°C] . Hence, pure acetic acid is called glacial acetic acid.
(ii) Reaction between ethyl alcohol and acetic acid:
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