The cation that will not be precipitated by h2s in presence of dilute hcl is
1)cu2+
2)Pb2+
3)As3+
4)Co2+
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Answer:
The cation that will not be precipitated by the H2S hydrogen sulfide in presence of dilute HCl hydrochloric acid is led pb+2 ion.
Explanation:
The cation that will not be precipitated by the H2S hydrogen sulfide in presence of dilute HCl hydrochloric acid is led pb+2 ion.
This is because hydrochloric acid decreases the activity of sulfide ions.
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