question_answer 37)

  In disaccharides, if the reducing groups of monosaccharides, i.e., aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar? (a) (b) (c) (d)

Answer:

  (B) In option (b), reducing centre of glucose, i.e.,  is connected to reducing centre of fructose, i.e., .