Question
Non-reducing sugars have
free CHO group and bound CO group
free CO group and bound CHO group
both CO and CHO free groups
neither free CO nor free CHO groups
Solution
D.
neither free CO nor free CHO groups
Non- reducing sugars lack free aldehyde or ketonic group and they do not reduce cupric ions of Benedict's or Fehling's solution to cuprous ions, e.g., sucrose.