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Fructose

Sucrose is a ...

Question

Sucrose is a _ compound and the product mixture obtained from its hydrolysis is _ in nature.

A

dextrorotatory; dextrorotatory

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B

dextrorotatory; laevorotatory

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C

laevorotatory; dextrorotatory

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D

laevorotatory; laevorotatory

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Solution

The correct option is B dextrorotatory; laevorotatory
Sucrose is dextrorotatory but on hydrolysis gives a mixture dextrorotatory glucose and laevorotatory fructose. Since, the specific rotation of fructose is greater than that of glucose, the resultant mixture is laevorotatory.

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