Q.

Vinegar is the trade name of -

A. acetic acid
B. chloroform
C. carbon tetrachloride
D. ethyl alcohol
Answer» A. acetic acid
Explanation: The trivial name acetic acid is the most commonly used and preferred IUPAC name. The systematic name ethanoic acid, a valid IUPAC name, is constructed according to the substitutive nomenclature.
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