Question

Aqua regia is a 1 : 3 mixture of :

(A) Dil. HCl and dil. HNO3

(B) Conc. H2SO4 and conc.HNO3

(C) Conc. HNO3 and conc. HCl

(D) Conc. HCl and conc. H2SO4

Answer 1

Correct option (C) Conc. HNO3 and conc. HCl

Explanation:

When one part of conc. HNO3 and three parts of conc. HCl are mixed, then aqua regia obtained.