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

ketones

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alcohols

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formaldehyde

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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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Which of the following reagent reacts with aldehyde to give silver mirror test?

C_{3} H_{5} O

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A g N O_{3}

Predict the products formed when cyclohexanecarbaldehyde reacts with following reagents.

(i) PhMgBr and then H₃O⁺

(ii)Tollens’ reagent

(iii) Semicarbazide and weak acid

(iv)Excess ethanol and acid

(v) Zinc amalgam and dilute hydrochloric acid

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