Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of ______ by volume.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 3 : 1.
- Aqua Regia is a yellow-orange or red color-fuming liquid.
- It is made by mixing one part of concentrated nitric acid with three parts of concentrated hydrochloric acid i.e. 3 : 1.
- As it decomposes quickly, it should be made as quickly as possible.
- It is used in the manufacturing of chloroauric acid.