8.What would result from the following series of reactions? CHO 1.HCN H -OH 2.H2,Pd, CH-OH H,O.H HO HO- -OH 3) CH2OH OH HO- -H H -OH CH-OH c) CHO H HO- H -OH CH-OH D CH2OH HO. -H H-OH CH2OH E)both A and C Ans:E Page6
Page 6 8. What would result from the following series of reactions? CHO HO H H OH CH2OH ? 1. HCN 2. H2, Pd, H2O, H+ A) HO H H OH CH2OH H OH CHO B) HO H H OH CH2OH H OH CH2OH C) HO H H OH CH2OH HO H CHO D) CH2OH HO H H OH CH2OH E) both A and C Ans: E
Which of th olowng would be a reducing suga(react with Ag HO HO HO- OH HO个 D) CH2OH H- -OH HO H H -O HO HO- OH HOH.C OH Ans:C Page7
Page 7 9. Which of the following would be a reducing sugar (i.e., react with Ag+)? A) O O OH HO HO HOH2C O OH HO HO HOH2C B) O OCH3 OH HO HO HOH2C C) O OH HO HO HOH2C O OH OH HO O HOH2C D) HO H H OH CH2OH H OH CH2OH E) O O OH HO HO HOH2C O CH2OH HOH2C HO OH Ans: C