Verified Solution • 2025–26 Session moderate

QAIPMT-2010-Ch-1948: NEET 2010 Chemistry - Class 12 AIPMT-2010-Ch-1948 Solution: Fructose reduces Tollen's reagent due to

Fructose reduces Tollen's reagent due to

Multiple Choice Options

  • A asymmetric carbons
  • B primary alcoholic group
  • C secondary alcoholic group
  • D enolisation of fructose followed by conversion to aldehyde by base

Step-by-Step Verified Solution

Under alkaline conditions of the reagent, fructose gets converted into a mixture of glucose and mannose (Lobry de Bruyn van Ekenstein rearrangement) both of which contain the �CHO group and hence reduce Tollens� reagent to give silver mirror test.

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