How many hydrogen atoms does a molecule of acetic acid contain?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Four.
A molecule of acetic acid (chemical formula CH₃COOH) contains:
3 hydrogen atoms in the methyl group (CH₃)
1 hydrogen atom in the carboxyl group (COOH)
Hence, total hydrogen atoms = 4