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In a Qualitative Cation Analysis,the Unknown Ion Is Not Precipitated

Question 8

Multiple Choice

In a qualitative cation analysis,the unknown ion is not precipitated by aqueous solutions of HCl(aq) ,H2S(aq) ,or CO32-(aq) .A flame test produced a violet flame.The unknown ion is ________.


A) Ag+
B) Pb2+
C) Fe2+
D) K+
E) NH4+

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