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  • Tollen’s reagent is reduced by which of the following ketones in basic medium?Option: 1 CH3COCH3<div class=

Tollen’s reagent is reduced by which of the following ketones in basic medium?

Option: 1

CH3COCH3


Option: 2


Option: 3


Option: 4


Answers (1)

best_answer

The Keto group of fructose is undergoing enolization. Enolization is a process in which
aldehyde or ketone converts into enol or enolate form. We use Tollen’s reagent to
analyze the presence of aldehyde and ketone functional groups. The chemical
formula for Tollen’s reagent is It can easily undergo decomposition.\mathrm{\left [ Ag(NO_{3})_{2} \right ]}

We must know that aldehyde only reduces Tollen’s reagent. But in fructose, there's a
ketone group. Therefore, the ketone group of fructose is enolized in aqueous solution
and then converted into aldehyde by base.

Now, fructose also can reduce Tollen’s
reagent.

Posted by

Irshad Anwar

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