Question

Following statements/properties are about nitric acid
I. Its freezing and boiling points are $355.6K$ and $231.4K$ respectively.
II. Laboratory grade nitric acid contains $\sim 68\%$ of $HN{O}_3$ by mass.
III. It has a specific gravity of $1.504$.
The correct set of properties of $HN{O}_3$ is

• A. I and II
• B. II and III
• C. I and III
• D. I, II and IIII

Answer 1

Answer: (B)

The freezing point of $HN{O}_3$ is $231.4K$
The boiling point of $HN{O}_3$ is $355.6K$.