Download CHM 105 - Test 2 Review

CHM 105 - Test 2 Review
CH 3
H
Br
H
Cl
H
OH
1. Draw the enantiomer of the molecule at right.
CH 3
2. Use an arrow to indicate each chiral center in the molecules below.
3. (T/F) Aspirin is an ester.
Br
Cl
Cl
4. The inability to metabolize galactose is called __________________.
CH2 OH
5. Categorize the saccharide at right in the following ways.
α or β?
D or L?
Name the saccharide.
pyranose or furanose?
OH
reducing or nonreducing?
O OH
OH
Which is the anomeric position? (use arrow)
OH
6. What is the old name of D-glucose?
7. What family of molecule does a positive Benedict’s test indicate?
8. Rank the boiling points of carboxylic acids, hydrocarbons, alcohols, ethers, aldehydes and ketones.
Draw a specific example for each class of compound listed.
9. Draw the following molecules: potassium formate, ethylpropyl amine, N-methylbenzamide. Where
possible, rename using the IUPAC system.
10. Name the following molecules:
O
11. Name the functional group (not the family
Br
OH
O
O
of compound) in the first molecule above.
12. (T/F) Carboxylate salts are more soluble in water than carboxylic acids.
13. Amides are formed by combining a(n) _____________ and a(n) __________________________.
14. What are the two types of plant starch? How are their structures similar and different?
15. The bond that links saccharides is called a(n) _____.
16. Draw maltose, name the individual saccharide units, and describe where they link.
17. What color is Benedict’s solution?
18. There are two broad categories of lipids and carbohydrates known as _____ and _____.
OH
The lipid at right is an example of this category. _____
To which of the lipid subcategories does it belong? _____
Is it a chiral molecule? ____
O
19. What structural characteristics distinguish fatty acid from other carboxylic acids?
20. Terpenes are built from _____ which has _____(#) carbons.
21. What are the two essential fatty acids? What does essential indicate? What part of the two fatty
acids does our body have trouble producing?
22. The principle components of most cell membranes are _____.
23. Which of the following are macromolecules? proteins, lipids, carbohydrates