Biomolecules - Result Question 7
####7. Fructose reduces Tollen’s reagent due to [2010]
(a) enolisation of fructose followed by conversion to aldehyde by base
(b) asymmetric carbons
(c) primary alcoholic group
(d) secondary alcoholic group
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Solution:
- (a) Fructose, a ketose as the substrate, under the alkaline medium of Tollen’s reagent, a part of fructose is transformed into glucose and mannose, both aldoses. Then these aldoses give positive silver mirror test.
