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In a Qualitative Cation Analysis, the Unknown Ion Is Not

Question 6

Multiple Choice

In a qualitative cation analysis, the unknown ion is not precipitated by HCl, H2S, or CO32-. 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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