Question

question 11 (1 point)
use the following information to answer the next question.
vinegar is used in preparation of food, dressing of salad and is an
important component of sauces. it is produced from ethanol.
the key ingredients of vinegar are organic compounds whose functional groups
belong to which category?
a) alcohol
b) ester
c) carboxylic acid
d) amide
e) alkyl halide

Explanation:

Vinegar is mainly acetic acid (\(CH_3COOH\)). The functional group of acetic acid is the carboxyl group (\(-COOH\)), which belongs to carboxylic acids.

• Alcohol has a hydroxyl group (\(-OH\)) attached to an alkyl group.
• Ester has a \(-COO-\) group.
• Amide has a \(-CONH_2\) group.
• Alkyl halide has a halogen atom (\(-X\), where \(X = F, Cl, Br, I\)) attached to an alkyl group.

Answer:

C. carboxylic acid