First slide

Glucose

Question

What will happen when D-(+)-glucose is treated with methanolic HCI followed by Tollen's reagent?

Moderate

A

A black ppt. will be formed
B

A red ppt. will be formed
C

A green colour will appear
D

No characteristic colour or ppt. will be formed.

Solution

Reaction of D-(+)-glucose with methanolic –HCl leads to formation of methyl glucoside (C₁-OH group is methylated which, being acetal. Is not hydrolysable by base, so it will not respond Tollen's reagent.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App