Reaction of Aldehydes with the Tollen's reagent results in the formation of _?
Correct answer: C. Silver mirror
- A. Red precipitate
- B. Yellow precipitate
- C. Silver mirror
- D. Brick red precipitate
Explanation
Tollen's reagent is an alkaline solution of ammoniacal silver nitrate; the reduction of silver ions in the Tollen's reagent results in a metallic silver.
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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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