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Question
\[\ce{PCl5}\] reacts with finely divided silver on heating and a white silver salt is obtained, which dissolves on adding excess aqueous \[\ce{NH3}\] solution. Write the reactions involved to explain what happens.
Solution
\[\ce{PCl5 + 2Ag -> 2AgCl + PCl3}\]
\[\ce{AgCl + 2NH3 (aq) -> [Ag(NH3)2] + Cl^{-}}\]
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