1.

AgBr dissolves in the excess of KCN and Na_2S_2O_3 solutions due to the formation of complex ions. The ions are respectively

Answer»

`[AG(CN)_2]^+ and [Ag(S_2O_3)_2]^(3)`
`[Ag(CN)_2]^(-) and [Ag(S_2O_3)_2]^(3-)`
`[Ag(CN)_4]^(3-) and [Ag_2(S_2O_3)_2]^(2-)`
`[Ag(CN)_3]^(2-) and [ Ag(S_2O_3)]^(-)`

Answer :B


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