Which of the following reagent is used to identify carbonyl group from other functional groups?

Schiff reagent

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Fehling solution

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2,4-dinitrophenylhydrazine

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Tollen's reagent

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Solution

The correct option is D 2,4-dinitrophenylhydrazine

Carbonyl group reacts with amine part, therefore, 2,4-dinitrophenylhydrazine is used to identify carbonyl group from other functional groups.

While other are reagents used for presence of aldehyde group.

Option C is correct.

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Name of the functional homologous group is derived from two specific words, carbonyl and hydroxyl. Identify it.

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