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What is the role of catalytic acid in the conversion of glucose from the closed-ring to the open-chain form?

Option: 1

It stabilizes the open-chain form.


Option: 2

It destabilizes the closed-ring form.


Option: 3

It enhances the reduced power of glucose.

 


Option: 4

It increases the rate of mutarotation.


Answers (1)

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Catalytic acid plays a key role in the conversion of glucose from its closed-ring form to the open-chain form. In the presence of catalytic acid, a proton (H+) is added to the oxygen atom of the hemiacetal functional group, which results in the breaking of the bond between the carbon atom and the oxygen atom. This breaks the cyclic structure and converts glucose from its closed-ring form to the open-chain form. Therefore, catalytic acid destabilizes the closed-ring form by facilitating the breakage of the bond between the carbon and oxygen atoms.

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Deependra Verma

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