What will happen when D - (+) - glucose is treated with methanolic - HCl followed by Tollens' reagent ?

A black ppt. will be formed

No worries! We‘ve got your back. Try BYJU‘S free classes today!

A red ppt. will be formed

No worries! We‘ve got your back. Try BYJU‘S free classes today!

A green colour will appear

No worries! We‘ve got your back. Try BYJU‘S free classes today!

No characteristic colour or ppt. will be formed

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
No characteristic colour or ppt. will be formed

The reaction of D-(+)- glucose with methanolic - HCl leads to formation of methyl glucoside $(C_{1} - O H$ group is methylated which, being acetal, is not hydrolysable by the base, so it will not respond Tollens' reagent.

Suggest Corrections

Similar questions

D - (+) -

- H C l

What happens when D-glucose is treated with the following reagents?

(i) HI (ii) Bromine water (iii) HNO₃

QUESTION 14.99(i)

What happens when D-glucose is treated with the following reagents?

(i) HI

(ii) Bromine water

(iii) $H N O_{3}$

H N O_{3}

H N O_{3}

Join BYJU'S Learning Program