Which of the following gives a silver mirror with Tollen reagent?

Kingsley Thompson January 21, 2026

Which of the following gives a silver mirror with Tollen reagent? 

A. alkanal

B. alkanone

C. alkane

D. alkanoic acid

The correct answer is:

A. alkanal

Explanation:
Tollens’ reagent gives a silver mirror with aldehydes (alkanals) because they are easily oxidized to alkanoic acids, reducing Ag⁺ ions to metallic silver.

PQN: 22

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Kingsley Thompson

Posted by: Kingsley Thompson

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