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  • Fructose reduces Tollen's reagent due to:Option: 1 Asymmetric carbonsOption: 2 Primary

Fructose reduces Tollen's reagent due to:

Option: 1

Asymmetric carbons


Option: 2

Primary alcoholic group


Option: 3

Secondary alcoholic group


Option: 4

Enolisation of fructose followed by conversion to aldehyde by base


Answers (1)

Fructose reduces Tollen's reagent due to enolisation of fructose followed by conversion to aldehyde by base.
Only aldehydes reduce Tollen's reagent. But fructose is a ketone.
In aqueous solution, fructose is enolised and then converted into aldehyde in basic medium. All aldehydes generally reduce Tollen's reagent, thus fructose also reduces Tollen's reagent.

Posted by

Sumit Saini

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