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CGP EDU Academic Team
Published on: August 14, 2026
Cu 2+ and Ag + are both present in the same solution. To precipitate one of the ions and leave the other in soluton, which reagent should be added :
Text Solution
Verified by ExpertsThe correct answer is:
B
Cu 2+ + H 2 S 
CuS (ppt.)
Ag 2+ + H 2 S 
Ag 2 S (ppt.)
Cu 2+ + HCl 
CuCl 2 (soluble)
Ag 2+ + HCl 
AgCl (ppt.)
with HNO 3 and NH 4 NO 3 both Ag + and Cu 2+ form soluble compound.
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