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Mixture of gold and platinum when react ...

Mixture of gold and platinum when react with aqua regia it produce

A

`N_(2)O`

B

`NO`

C

`AuCI_(4)^(-)`

D

`PtCI_(6)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
`Au +4H^(+) +NO_(3)^(-) +4CI^(-) rarr AuCI_(4)^(-) +NO +2H_(2)O`
`3Pt +16H^(+) +4NO_(3)^(-) +18CI^(-) rarr 3PtCI_(6)^(2-) +4NO + 8H_(2)O`
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