MEDIUMMCQ SINGLEJEE Advanced ChemistryOrganic ChemistryBiomoleculesPrevious Year Questions
Fructose reduces Tollens’ reagent due to (Mains 2010)
A.asymmetric carbons
B.primary alcoholic group
C.secondary alcoholic group
D.enolisation of fructose followed by conversion to✓ Correct
Explanation
Under alkaline conditions of the reagent, fructose gets converted into a mixture of glucose and mannose both of which contain the –CHO group and hence, reduce Tollens’ reagent to give silver mirror test.