The only carboxylic acid which gives positive Tollen's test is
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Shift 21/05/2023 3:30 PM - 6:30 PM
A
Acetic acid
B
Formic acid
C
Oxalic acid
D
Pthalic acid
Correct Answer
Formic acid
Detailed Explanation
Among the options provided, the carboxylic acid that gives a positive Tollen's test is:
2. Formic acid
Formic acid is a reducing agent that can undergo oxidation to produce carbon dioxide and water. In the Tollen's test, it reacts with Tollens' reagent (ammoniacal silver nitrate solution) to form a silver mirror due to the reduction of silver ions to metallic silver on the inner surface of the test tube.
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