Question:

Maltose on treatment with dilute HCI gives :

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Maltose is made of two glucose units joined by an alpha-1,4-glycosidic link.
Updated On: Nov 5, 2026
  • D-Galactose
  • D-Glucose and D-Fructose
  • D-Glucose
  • D-Fructose
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The Correct Option is C

Solution and Explanation

Maltose is a reducing disaccharide formed from two \(\alpha\)-D-glucose units linked through C1 of one unit and C4 of the other (\(\alpha\)-1,4-glycosidic bond).
Hydrolysis with dilute HCl (or the enzyme maltase) breaks this link: \(\mathrm{C_{12}H_{22}O_{11} + H_2O \xrightarrow{H^+} 2\,C_6H_{12}O_6}\).
Both molecules are D-glucose (D-glucose and D-fructose is the product of sucrose, D-glucose and D-galactose that of lactose).
Answer: (3) D-Glucose
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