Which of the following disaccharide gives two molecules of glucose on hydrolysis?

Sucrose

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Maltose

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Galactose

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Lactose

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Solution

The correct option is B Maltose
Sucrose $Hydrolysis - ---- \to$ Glucose + Fructose

Lactose $Hydrolysis - ---- \to$ Glucose + Galactose

Maltose $Hydrolysis - ---- \to$ Glucose + Glucose

Galactose is a monosaccharide and therefore can not be hydrolysed further.

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