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PCl(5) reacts with finely divided s...

`PCl_(5)` reacts with finely divided silver on heating and a white silver salts is obtaine d , which dissolved on adding excess aqueous ` NH_(3)` solution . Write the reactions involved to explain what happens .

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`PCl_(5) + 2Ag to 2AgCl + PCl_(3)`
` AgCl + 2NH_(3) to [Ag(NH_(3))_(2)]^(+) Cl^(-)`
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