How can you say that glucose is a cyclic comp | vedclass

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Question

(C) The open-chain structure of glucose contains an aldehyde group $(-CHO)$.Typically,aldehydes react with sodium hydrogen sulphite $(NaHSO_3)$ to for

Vedclass · Accepted Answer

Glucose fails to react with sodium hydrogen sulphite

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(C) The open-chain structure of glucose contains an aldehyde group $(-CHO)$.Typically,aldehydes react with sodium hydrogen sulphite $(NaHSO_3)$ to form addition products.However,glucose does not react with $NaHSO_3$,which indicates that the aldehyde group is not free.This suggests that the aldehyde group is involved in the formation of a cyclic hemiacetal structure,confirming that glucose exists as a cyclic compound in its stable form.

How can you say that glucose is a cyclic compound?

Similar Questions

How is glucose related to fructose?

Which of the compounds $(A-D)$ depicted above is $NOT$ a hemiacetal linkage?

What is the total number of carbon atoms present in a sugar molecule of $RNA$ nucleotide?

Assertion $(A)$: Both Glucose and Fructose have the same $D$-configuration.
Reason $(R)$: Both Glucose and Fructose are dextrorotatory.
The correct option among the following is:

Write a note on the structure of fructose.

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