Which metal sulphide is soluble in excess NH3 solution ? | Reaction Mechanism — Chem-Mantra | Chem-Mantra

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Question

Which metal sulphide is soluble in excess NH3 solution ?

Answer: D

💡 Solution & Explanation

ZnS, MnS, FeS do not dissolve in excess NH3 solution due to their low Ksp values. Cr2S3 + 6NH3 <=> [Cr(NH3)6]^3+ + S^2-(aq.)

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