Which of the following reagent can distinguish between aldehydes and ketones?

Fehling's Solution

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H_{2} S O_{4}

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Grignard Reagent

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Fenton's Reagent

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Solution

The correct option is A Fehling's Solution
Fehling's solution contains copper(II) ions complexed with tartrate ions in sodium hydroxide solution. On reaction with aldehydes, the blue colour of solution changes to dark red as precipitates of copper oxide are formed whereas there is no reaction with ketones.

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Similar questions

Name any one reagent to distinguish aldehydes and ketones.

S O_{2}

C O_{2}

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