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Maltose

What are the ...

Question

What are the functional groups present in the structure of maltose ?

(JEE MAIN 2020)

A

One ketal and one hemiketal

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B

One acetal and one hemicetal

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C

Two acetals

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D

One acetal and one ketal

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Solution

The correct option is B One acetal and one hemicetal
Maltose is a reducing sugar in which two $α$ - D-glucose units are joined through $C_{1}$ and $C_{4}$ linkage.

Hence, option (d) is correct.

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