Question

How many moles of fructose and galactose respectively are obtained on hydrolysis of 1 mole stachyose?

Options

• 1, 1

• 3, 1

• 1, 2

• 2, 2

Answer 1

1, 2

Explanation:

Stachyose is tetrasaccharides, yields four monosaccharide units on hydrolysis.

Stachyose → 1 Glucose + 1 Fructose + 2 Galactose