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In a Qualitative Cation Analysis,the Unknown Ion Is Precipitated by HCl(aq),remains

Question 63

Multiple Choice

In a qualitative cation analysis,the unknown ion is precipitated by HCl(aq) ,remains as a chloride solid in hot water,and the precipitate turns black upon addition of aqueous ammonia.The unknown ion is ________.


A) Hg22+
B) Pb2+
C) Ag+
D) K+
E) Cd2+

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