Question

Which one of the following statements not true ? 

(1) Lactose contains a-glycosidic linkage between C₁ of galactose and C₄ of glucose. 

(2) Lactose (C₁₁ H₂₂ O₁₁) is a disaccharide and it contains 8 hydroxyl groups. 

(3) On acid hydrolysis, lactose gives one molecule of D(+)-glucose and one molecule of D(+)-galactose. 

(4) Lactose is a reducing sugar and it gives Fehling's test.

Answer 1

Correct answer is (1) Lactose contains a-glycosidic linkage between C₁ of galactose and C₄ of glucose.