Q86 / 180 · AIIMS 2013 · Chemistry

Which of the following is a non-reducing sugar?

Correct answer
A
Sucrose
B
Maltose
C
Lactose
D
Mannose

Solution

All the monosaccharides (aldoses and ketoses) and disaccharides except sucrose reduce Fehling's solution or Tollens' reagent and hence are reducing sugars.

Hence, the correct answer is option: 'A'.

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