Aqua regia is an acidic, corrosive and oxidative mixture consisting of ________ volume/volumes of concentrated hydrochloric acid and one volume of concentrated nitric acid, often used to dissolve gold and platinum.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Three.
- Aqua regia is a combination of two strong acids, hydrochloric acid (HCl) and nitric acid (HNO3), which react to form an incredibly acidic solution.
- Aqua regia appears as a yellow liquid with a pungent odor prepared by mixing nitric acid and hydrochloric acid usually in a ratio of one part of nitric acid to three or four parts of hydrochloric acid.