JEE Main Chemistry question
How many among the following are oligosaccharides? (i) Cellulose (ii) Lactose (iii) Sucrose (iv) Raffinose (v) Ribose (vi) Galactose
Answer: 3
Solution
Oligosaccharides yield two to ten monosaccharide units on hydrolysis; lactose (disaccharide), sucrose (disaccharide) and raffinose (trisaccharide) all satisfy this.
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