Chemistry
Explain the terms –
(i) Denaturated alcohol
(i) Glacial acetic acid
(iii) Esterification
Organic Chemistry
ICSE
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Answer
(i) Ethyl alcohol containing pyridine or copper sulphate is termed denaturated alcohol. It is used for industrial applications only and hence made undrinkable.
(ii) 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.
(iii) Esterification is the chemical process of heating carboxylic acids with alcohol in the presence of an acid catalyst to produce esters.
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