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Which of the following reactions of gluc...

Which of the following reactions of glucose can be explained only by its cyclic structure?

A

Glucose forms pentaacetate

B

Glucose reacts with hydroxylamine to form an oxime

C

Pentaacetate of glucose does not react with hydroxylamine

D

Glucose is oxidised by nitric acid to gluconic acid

Text Solution

Verified by Experts

The correct Answer is:
C
Due to absence of free OH group at `C_1` , cyclic structure of glucose pentacetate cannot revert to open chain aldehydeic form and hence cannot form an oxime.
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