Which metal sulphide is soluble in excess NH_(3) solution? – InterviewSolution

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1.	Which metal sulphide is soluble in excess NH_(3) solution?
Answer» ZnS MNS FES `Cr_(2)S_(3)` Solution :ZnS, MnS, FeS do not dissolve in EXCESS `NH_3` solution DUE to their low `K_(sp)` values. `Cr_(2)S_(3)+6NH_(3) hArr [Cr(NH_(3))_(6)]^(3+)+S^(2-)(aq.)`

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