The best explanation for the dissolution of ZnS in dilute HCl is that: The zinc
ID: 933585 • Letter: T
Question
The best explanation for the dissolution of ZnS in dilute HCl is that:
The zinc ion is amphoteric.
The sulfide-ion concentration is decreased by the formation of H2S.
the sulfide-ion concentration is decreased by oxidation to sulfur.
the zinc-ion concentration is decreased by the formation of a chloro complex.
The solubility product of ZnCl2 is less than that of ZnS.
The zinc ion is amphoteric.
The sulfide-ion concentration is decreased by the formation of H2S.
the sulfide-ion concentration is decreased by oxidation to sulfur.
the zinc-ion concentration is decreased by the formation of a chloro complex.
The solubility product of ZnCl2 is less than that of ZnS.
The best explanation for the dissolution of ZnS in dilute HCl is that: The zinc ion is amphoteric. The sulfide-ion concentration is decreased by the formation of H2S. the sulfide-ion concentration is decreased by oxidation to sulfur. the zinc-ion concentration is decreased by the formation of a chloro complex. The solubility product of ZnCl2 is less than that of ZnS.Explanation / Answer
The sulfide-ion concentration is decreased by the formation of H2S.
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