The Best Explanation for the Dissolution of ZnS in Dilute

question 4

Multiple Choice

The best explanation for the dissolution of ZnS in dilute HCl is that:

• A)The zinc ion is amphoteric.
• B)The sulfide-ion concentration is decreased by the formation of H₂S.
• C)the sulfide-ion concentration is decreased by oxidation to sulfur.
• D)the zinc-ion concentration is decreased by the formation of a chloro complex.
• E)The solubility product of ZnCl₂ is less than that of ZnS.

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