Question

Aqua-regia reacts with Pt to yield -

• A. $Pt\left(\right.NO_{3}\left(\left.\right)_{4}$
• B. $H_{2}PtCl_{6}$
• C. $PtCl_{4}$
• D. $PtCl_{2}$

Answer 1

Answer: (B)

Aqua-regia is a mixture of nitric acid and hydrochloric acid in molar ratio $1:3$ . It is yellow orange fuming liquid. In Aqua-regia Pt form chloroplatinic acid, $H_{2}PtCl_{6}$