Give examples of aldehydic or ketonic group that are bonded and act as non-reducing sugars.

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Solution

Non reducing sugars are the sugars that does not have a free aldehyde or a ketone group. Few examples of non-reducing sugar include sucrose, stachyose, raffinose, and trehalose.

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Similar questions

In disaccharides, if the reducing groups of monosaccharides, i.e., aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar?

Q. Reducing sugars contain aldehyde groups whereas non reducing sugars do not have aldehyde groups

Carbohydrate is a polyhydroxy compound that has an aldehydic or a ketonic functional group either free or as hemiacetal or acetal.

Q. Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Glucose and fructose are reducing sugars.

Reason (R): Glucose and fructose contain a free aldehydic and ketonic froup adjacent to a

H | C | O H

group.

Q. Identify the incorrect statements among the following.

(a) The relative sweetness of fructose is the maximum and it is a reducing sugar.
(b) The source of lactose is milk and it is reducing sugar
(c) Maltose possesses glycoside bond between one glucose unit and one fructose unit and it is reducing sugar
(d) Glucose possesses aldehyde group and it is a non-reducing sugar
(e) The molecular formula of sucrose is

C_{12} H_{22} O_{11}

and possess glycoside bond between two glucose units.

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