Question

Given: Glucose, fructose, sucrose, starch

Which carbohydrate(s) are reducing sugars?

Which carbohydrate(s) are Ketose sugars?

Which carbohydrate(s) are polysaccharides?

What carbohydrates would give the following result: produces a reddish-orange solid with Benedict's reagent and a red color with Seliwanoff's reagent, and why?

Answer 1

1. glucose, fructose
2. fructose
3. starch
4. fructose