can u help me with qs 6 or 7 please

thanks a lot

6. (a) How mary chiral carbon atoms are there in the sugars shown below? (b) Usine the 2n stereoisomer nule, what is the maximum number of enaitiomers possible for D. glucose and D-tructose? (c) Draw the D- and L-diastereomers of glucose and fructose. 7. Here is -D-glucose: a) Highlight the anomeric carbon. b) Draw an a-D-glucose. c) Are these reducing sugars? Why? c) Draw a disaccharide of 2 glucose units with a 1,4 alpha glycosidic bond d) is the disaccharide a reducing sugar