Question

The mixture of concentrated HCl and HNO3 made in 3:1 ratio contains

Answer 1

a mixture of concentrated HCl and HNO3 in the ratio of 3:1 is called as aqua regia

Answer 2

Hey dear,

◆ Answer-
Nitrosyl chloride (NOCl)

◆ Extra information-
- Aqua regia is a mixture of nitric acid and hydrochloric acid in ratio of 1:3.
- It's popularly known for melting noble elements platinum and gold.
- The reaction occurs as
HNO3 + 3HCl ---> NOCl + Cl2 + 2H2O
- Aqua regia is mainly used to produce chloroauric acid for refining gold.

Hope this helps...