Which of the following reagent will react with both aldehydes and ketones:
Correct answer: C. Hydrazine
- A. Fehling's reagent
- B. Tollen's reagent
- C. Hydrazine
- D. Sodium nitroprusside
Explanation
The correct answer is c) Hydrazine. Hydrazine can react with both aldehydes and ketones to form hydrazones.
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About Aldehydes and Ketones
Aldehydes and ketones contain the polar carbonyl group, but aldehydes are generally more readily oxidised and more reactive than ketones. Coverage includes preparation by oxidation or reduction routes, nucleophilic addition of reagents such as hydrogen cyanide and bisulfite, and tests that distinguish aldehydes from ketones.
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