Question

The compound which does not have oxygen is :

• A. nitric acid
• B. sodium hydroxide
• C. hydrochloric acid
• D. acetic acid

Answer 1

Answer: (C)

hydrochloric acid

Nitric acid $\left(HN{O}_3\right)$ has 3 oxygen atoms in its formula.

Sodium hydroxide $\left(NaOH\right)$ has 1 oxygen atom in its formula.

Acetic acid $\left(C{H}_{3}COOH\right)$ has 2 oxygen atoms in its formula.

Hydrochloric acid $\left(HCl\right)$ does not have oxygen atom in its formula.

Hence, option C is correct.