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Biomolecules
Question
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Fructose reduces Tollen's reagent due to 

  • asymmetric carbons

  • primary alcoholic group

  • secondary alcoholic group

  • enolization of fructose followed by conversion to the aldehyde by base

Answer

D.

enolization of fructose followed by conversion to the aldehyde by base

In aqueous solution, fructose is enolized and then converted into aldehyde in basic medium. All aldehydes generally reduces Tollen's reagent thus fructose also reduces Tollen's reagent.

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