Question

Which from following carbohydrates produces double quantity of glucose on hydrolysis per mole as compared with sucrose?

• A. Lactose
• B. Raffinose
• C. Stachyose
• D. Maltose

Hint:

Maltose is often called "malt sugar" and is made of two $\alpha$-D-glucose units.

Answer 1

The Correct Option is D

Step 1: Concept Hydrolysis yields the monosaccharide units of a carbohydrate.

Step 2: Meaning Sucrose yields 1 mole of glucose and 1 mole of fructose per mole.

Step 3: Analysis Maltose is a disaccharide composed of two glucose units. Upon hydrolysis, 1 mole of maltose produces 2 moles of glucose.

Step 4: Conclusion Since 2 moles of glucose is double the 1 mole produced by sucrose, Maltose is the correct answer. Final Answer: (D)