(A) In sucrose,the two monosaccharide units are joined by an $\alpha-1, 2$-glycosidic bond. Since sucrose does not have a free hemiacetal or hemiketal

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(A) In sucrose,the two monosaccharide units are joined by an $\alpha-1, 2$-glycosidic bond. Since sucrose does not have a free hemiacetal or hemiketal carbon,it cannot open to form an aldehyde or ketone group. Therefore,it is a non-reducing sugar.

Class 12 Chemistry Biomolecules Carbohydrates

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Which of the following does not show any reducing test of aldehyde?

A
Sucrose
B
Fructose
C
Maltose
D
Lactose

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Sucrose on hydrolysis gives

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Which of the following does not show any reducing test of aldehyde?

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Sugar can be tested in urine by

On the basis of which evidences,$D$-Glucose was assigned the following structure: $CHO-(CHOH)_4-CH_2OH$?

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Assertion : Hydrolysis of sucrose is known as inversion of cane sugar.
Reason : Sucrose is a disaccharide.