Question

What is the product when
Platinum is dissolved in aqua regia?

• A. $H_{2}PtC{l}_6$
• B. $H_{2}PtC{l}_3{O}_2$
• C. $HPtC{l}_4$
• D. $HPtC{l}_5$

Answer 1

The correct option is A $H_{2}PtC{l}_6$

Reaction:
$Pt+6HCl+4HN{O}_3\to H_{2}PtC{l}_6+4N{O}_2+4H_{2}O$
chloro plastinic acid