(Solved): 1 to 6 please assist  3. The structure below is that of D-arabinose. a. Draw the structure (1) ...

3. The structure below is that of D-arabinose. a. Draw the structure (1) of L- b. How many stereoisomers does L-arabinose have? (1) 4. D-Fructose (below) is a monosaccharide that belongs in the family of ketoses. a. Give the mechanism that will result in the formation of both Haworth projections ( \( \alpha \) and \( \beta \) ) of D-fructose. (7) b. D-Fructose is a sugar with six carbon atoms, how many stereoisomers does it have? (1) 5. Draw the structures (no mechanism) of the three organic products (A, B and C) that can be formed from the reaction below. (3) 6. Complete the reaction below by giving the reagents [1] and \( [2] \), and the products 3,4 , and 5. (5)