Question

When three parts of conc. HCl and one part of conc. $HN{O}_3$ is mixed, a compound 'X' is formed. The correct option related to 'X' is:

• A. 'X' is known as aqua-regia
• B. 'X' is used for dissolving gold
• C. 'X' is used for decomposition of salts of weaker acids
• D. both (a) and (b)

Answer 1

Answer: (D)

both (a) and (b)

Aqua regia is also called as royal water is a mixture of nitric acid and hydrochloric acid in the molar ratio of 1:3. Aqua regia is a yellow-orange fuming liquid.Aqua regia is used for the decomposition of weak acids.

Hene option D is correct.