Exam 25: Carbohydrates

From the sugars below, choose the one that best fits each description below. Place the letter of the sugar in the blank to the left of the description. There is only one correct answer for each question. -_____ is a sugar which yields a single alditol upon reduction.

What is (are) the major organic product(s) obtained from the following reaction?

Which carbon in the following carbohydrate is the anomeric carbon?

What is the relationship between D-arabinose and L-arabinose?

Consider the following structures. Answer the following questions by placing the appropriate number or indicated letter in the blank. -The following monosaccharide has ________ equatorial hydroxyl groups.

Which carbon in the following carbohydrate is the anomeric carbon?

Which of the following represents a pyranose?

Which of the following is an alditol?

Which of the following is a disaccharide?

From the sugars below, choose the one that best fits each description below. Place the letter of the sugar in the blank to the left of the description. There is only one correct answer for each question. -_____ is a D-sugar.

What are the two major organic products obtained from treatment of an $\alpha$ -hydroxyketone with periodic acid in water?

Consider the following structures. Answer the following questions by placing the appropriate number or indicated letter in the blank. -Structure ____ represents a ketohexose.

What are the R/S stereochemical designations of C2 and C3 of L-threose?

Starch, cellulose, and surcrose are all classified as polysaccharides.

What is the relationship between D-ribose and D-xylose?

Refer to the equilibrium below to answer the following question(s). -The correct name for the cyclic structure is__________________________.

Which of the following is vitamin C?

The following structure shows the correct assignment of the R or S configuration to each chirality center in sorbose.

The difference between the pyranose and furanose forms of a given aldohexose is the ring size.

From the sugars below, choose the one that best fits each description below. Place the letter of the sugar in the blank to the left of the description. There is only one correct answer for each question. -The fundamental difference between the monosaccharide, disaccharide, and polysaccharide classifications of carbohydrates is the number of _________________present.