General Principles and Processes of Isolation of Elements
Aquaregia is ___ part conc. HCI and ___ part conc. $$HNO_3$$.
Correct Answer: Option(d)
Solution: Aqua regia is three parts conc. $$ HCI$$ and one part conc. $$HNO_3$$.
$$HNO_3 + 3HCl \rightarrow NOCl + 2H_2O + 2CI$$
So, the correct option is $$D$$