A brilliant rosy-red precipitate is formed when Dimethylglyoxime (DMG) is added to a metal ion solut — Qualitative and Quantitative Analysis Chemistry Question
Question
A brilliant rosy-red precipitate is formed when Dimethylglyoxime (DMG) is added to a metal ion solution in an ammoniacal medium. The metal ion is:
Answer: B
💡 Solution & Explanation
The DMG test is a specific, highly characteristic confirmatory test for Nickel ($Ni^{2+}$), forming a square planar rosy-red complex stabilized by hydrogen bonding.
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