Asked by tammy
After the precipitation of the Group I cations as chlorides by the reaction with HCl, nearly all of the precipitate dissolves in hot water. Which ion(s) are present? Which ion(s) are absent?
Answers
Answered by
DrBob222
Group I is Ag, Hg(+1), Pb.
PbCl2 is soluble in hot water. AgCl and Hg2Cl2 are not.
So ???? must be the ppt.
PbCl2 is soluble in hot water. AgCl and Hg2Cl2 are not.
So ???? must be the ppt.
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