1.

Consider the following sequence of reactions. The change from B to C involves the reaction

Answer»

`[Hg(NH_(3))_(4)]^(2)+ 2H^(+) +Cr^(-) to Hg(NH_(2))CI darr +3NH_(4)^(+)`
`[Pb(NH_(3))_(4)]^(2+)+4H^(+) +2C^(-) to PbCl_(2) darr +4NH_(4)^(+)`
`[Pb(OH)_(4)]^(2-) +4H^(+) +2C^(-) to PbCl_(2) +4H_(2)O`
`[Ag(NH_(3))_(2)]^(2+) + 2H^(+) +CL^(-) to AgCl darr +2NH_(4)^(+)`

Solution :`[Ag(NH_(3))_(2)]^(+2) + 2H^(+) +Cl^(-) to AgCl darr +2NH_(4)^(+)`


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