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Question

Tollen's reagent form a silver mirror when reacted with:

A
ketones
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B
alcohols
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C
formaldehyde
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D
carbonyl
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Solution

The correct option is C formaldehyde
Tollen's reagent is a chemical used to determine the presence of aldehyde functional group and the reagent consists of silver nitrate and ammonia. A positive test shows the precipitates of silver in the form of silver mirror inside the reaction vessel.

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