Q57Short answer
PCl5 reacts with finely divided silver on heating and a white silver salt is obtained, which dissolves on adding excess aqueous NH3 solution. Write the reactions involved to explain what happens.
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PCl5 + 2Ag → 2AgCl + PCl3 + – AgCl + 2NH3(aq) → [Ag(NH3)2] Cl (soluble complex)