Teachers Notes:

Problem 1:
a. Tricontanol contains a hydroxyl group and is an alcohol.

Hexacosanoic acid contains a carboxyl group and is an organic acid.

b. C₂₆H₅₂O₂ + C₃₀H₆₂O → C₂₆H₅₂O C₃₀H₆₁ + H₂O

Problem 2:

a.

Fructose
1 C=O or carbonyl group
5 -OH or hydroxyl groups

b.

Proline
1 -N-H or amino group
1 COOH or carboxyl group

c.

Gluconic acid
5 -OH or hydroxyl groups
1 COOH or carboxyl group