JEE Main Chemistry question

Formic acid and acetic acid are distinguished by

(A)NaHCO₃
(B)FeCl₃
(C)Victor Meyer test
(D)Tollen's reagentCorrect

Answer: (D)

Solution

Tollens' reagent is reduced by formic acid (which has aldehyde-like reducing character, due to its C–H bond directly on the carboxyl carbon) but not by acetic acid (no such reducing group), cleanly distinguishing the

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Question ID VK-149530