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Unformatted text preview: Practice Problems Iverson CH310N You will not turn these in 1 Chemistry 310N Dr. Brent Iverson Practice Problems Apr 28, 2010 Practice Problems Iverson CH310N You will not turn these in 2 For the following carbohydrates, draw a circle around all of the D-carbohydrate(s), and draw a rectangle around all of the L-carbohydrate(s). On the first two lines below the four structures, indicate whether each is an aldose or ketose, and whether each is a pentose or hexose, respectively. On the third line below each structure, construct a compound name from all of these elements. For example, answers might be L-ketopentose or L-aldohexose. Finally, on the fourth line under each structure write the specific name (i.e. D-glucose) for each structure. You should use table 25.1 or other structures named in the book to identify these exact sugar names. (You will NOT need to know them for the test). CHO OH HO OH OH CH 2 OH CHO HO OH HO HO CH 2 OH CH 2 OH O HO OH OH CH 2 OH CHO OH OH OH CH 2 OH (aldose or ketose?) (pentose or hexose?) (compound name) (exact name) O O O OH OH HO HOH 2 C HOH 2 C HO HO HO For the disaccharide of glucose on the left, draw a circle around any glucose residue that is/are ! . Draw a box around any glucose residue that is/are " ....
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- Spring '09