(C) Aqua regia is a mixture of concentrated $HCl$ and concentrated $HNO_3$ in a $3:1$ molar ratio.When gold $(Au)$ reacts with aqua regia,it dissolves

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(C) Aqua regia is a mixture of concentrated $HCl$ and concentrated $HNO_3$ in a $3:1$ molar ratio.When gold $(Au)$ reacts with aqua regia,it dissolves to form chloroauric acid $(HAuCl_4)$.The chemical reaction is as follows:$Au + 4HCl + HNO_3 \rightarrow HAuCl_4 + NO + 2H_2O$.