Question

In what physical state will $\mathrm{HCl}$ be at room temperature? Explain.

Answer 1

Hydrochloric acid at room temperature:

• At room temperature, $\mathrm{HCl}$(Hydrochloric acid/Hydrogen chloride) is a clear, colorless, corrosive, nonflammable gas that is heaver than air and has a strong irritating odour.
• On exposure to air, $\mathrm{HCl}$ forms a dense white corrosive vapours.
• Hydrochloric acid is a strong acid that completely dissociates into its ions in its aqueous solution.

Therefore, $\mathrm{HCl}$ is a gas at room temperature.