Aqua regia is a freshly prepared mixture of concentrated Hydrochloric acid…
2024
Aqua regia is a freshly prepared mixture of concentrated Hydrochloric acid (HCl) and concentrated Nitric acid in the ratio of:
- A.
3 : 2
- B.
1 : 3
- C.
2 : 3
- D.
3 : 1
- E.
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Correct answer: D
Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid (HCl) and concentrated nitric acid in the ratio of 3:1. This combination generates reactive species like nitrosyl chloride and chlorine, enabling it to dissolve noble metals such as gold.