2025 · Q104
Which one of the following is the correct chemical for mula of carboxylic acid?
General KnowledgeChemistry
- AC3H7OH
- BC3H8
- CC2H5COOH
- DCH3COCH3
Explanation
A carboxylic acid contains the –COOH functional group; C2H5COOH is propanoic acid. C3H7OH is an alcohol (propanol), C3H8 an alkane (propane), and CH3COCH3 (acetone) a ketone — none of which is a carboxylic acid. Propanoic acid occurs naturally and is used as a food preservative.