Verified Solution • 2025–26 Session
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QJEEM21Chdacf: JEE Main 2021 Chemistry - Class 12 JEEM21Chdacf Solution: Which among the above compound/s does/do not form Silver mirror …
Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?
Multiple Choice Options
- A (I), (III) and (IV) only
- B Only (IV)
- C Only (II)
- D (III) and (IV) only
Step-by-Step Verified Solution
Only compound (II) which has ketonic group does not form silver mirror when treated with Tollen’s reagent. Because Tollen’s reagent oxidises an aldehyde into the corresponding carboxylic acid. Ketones are not oxidised by Tollen’s reagent, so the treatment of a ketone with Tollen’s reagent in a glass test tube does not result in a silver mirror. Aldehydes give positive Tollen’s test (silver mirror test).
