Problem 70
How many stereoisomers are possible for glucose? A. 2 B. 8 C. 16 D. 32
Problem 74
D-(+)-glyceraldehyde was allowed to undergo the Kiliani-Fischer synthesis, and the reaction ran to completion. After separation of any isomers, how many optically active products were formed? A. 0 B. 1 C. 2 D. 4
Problem 84
Which of the following comes out in the aqueous layer of the first extraction with \(3 \mathrm{M} \mathrm{HCl}\) ? A. 9-fluorenone B. ethyl 4-aminobenzoate C. Benzoic acid D. diethyl ether
Problem 88
IR spectroscopy is normally used to distinguish between: A. neighboring protons on different compounds, B. neighboring protons on the same compound. C. different functional groups on the same compound. D. acids and bases.
Problem 89
Which of the following is true concerning amino acids? A. Amino acids are monoprotic. B. Amino acids have peptide bonds. C. The side chain on an \(\alpha\)-arnino acid determines its acidity relative to other \(\alpha\)-amino acids. D. All amino acids have water soluble side groups.
Problem 90
Peptide bond formation is an example of: A. saponification. B. electrophilic addition. C. bimolecular elimination. D. dehydration.
Problem 91
Trigylcerides are composed from which of the following? A. esters, alcohols, and phospholipids B. fatty acids, alcohol, and esters C. fatty acids and glycerol D. glycerol and fatty esters
Problem 92
Which of the following is water soluble? A. a saturated fatty acid B. an unsaturated fatty acid C. the side chain on valine D. glucose