Question

CARBOHYDRATE REACTIONS NAME: QUESTIONS: (You may have to consult a textbook or Google) 1. Which of the following is a D-aldopentose? 2. Which of the following is an L-saccharide? a. glycogen b. amylopectin e. amylose d. cellobiose 3. Unlike sucrose, most disaccharides are reducing sugars. This is because they contain "hemiacetal or Themiketal" groups which readily hydrolyze to give a free aldehyde. DisaccharidesJlike sucrose which contain only "acetal" or "ketal" groups are non-reducing sugars. cach of the following disaccharides as "reducing" or "non-reducing". If it is a With this in mind, label the reducing" sugar, circle the hemiketal or hemiacetal CH20H CH2OH 20H See: che 4. Are acetals and ketals stable to acid or base? Why?

Answer 1

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