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gold dissolves in aqua regia to give...

gold dissolves in aqua regia to give

A

`Au(NO_3)_2`

B

`H[AuCl_4]`

C

`AuCl`

D

`AuNO_3`

Text Solution

Verified by Experts

The correct Answer is:
b
`3HCl+4HNO_3toNOCl+2H_2O+2[Cl]`
`Au+3[Cl]toAuCl_3`
`AuCl_3+3"HCl" toH[AuCl_4]` (complex)
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