Which of the following is not true about sucrose?

Sucrose is a disaccharide

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Sucrose is a reducing sugar

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Acid-catalyzed hydrolysis of sucrose gives D-(+)-glucose and D-(-)-fructose

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Sucrose does not undergo mutarotation

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Solution

The correct option is B Sucrose is a reducing sugar
Sucrose does not have a free aldehyde or keto group, so it is a non-reducing sugar.

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Similar questions

Q. Assertion :Sucrose is a reducing sugar and exhibits mutarotation. Reason: Sucrose is a disaccharide consisting of glucose and fructose units.

The enzymes catalyzing hydrolysis of sucrose to glucose and fructose is

Sucrose (can Sugaro) is a disaccharide. One molecule of sucrose on hydrolysis gives............ .
(a) 2 molecules of glucose
(b) 2 molecules of glucose + 1 molecule of fructose
(c) 1 molecule of clucose + 1 molecule of fructose
(d) 2 molecules of fructose

Q. Which of the following compounds does not undergo mutarotation ?

Q. Sucrose (+) on hydrolysis gives a mixture of D-(+) glucose,

[α]_{D} = {52.7}^{o}

and D-() fructose = 92.4, known as invert sugar. Calculate the rotation of mixture, i.e., invert sugar :

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Which of the following is not true about sucrose?

The correct option is B Sucrose is a reducing sugarSucrose does not have a free aldehyde or keto group, so it is a non-reducing sugar.

The correct option is B Sucrose is a reducing sugar
Sucrose does not have a free aldehyde or keto group, so it is a non-reducing sugar.