A copper-nickel alloy is analyzed by dissolving it in 8 M nitric acid, diluting the solution with wa — Descriptive Chemistry Chemistry Question
Question
A copper-nickel alloy is analyzed by dissolving it in 8 M nitric acid, diluting the solution with water, and then adding 1 mL of this diluted solution to an excess of aqueous potassium iodide. What are the principal forms of copper and nickel in this final mixture?
A.
Cu2+(aq), Ni3+(aq)
B.
CuI2(s), NiI2(s)
C.✓ Correct
CuI(s), Ni2+(aq)
D.
Cu+(aq), Ni(s)
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