Dimethylglyoxime gives a red precipitate with Ni^ 2+ , which is used for its detection. To get this precipitate readily, the best pH range is

JEE Main Chemistry question

Dimethylglyoxime gives a red precipitate with , which is used for its detection. To get this precipitate readily, the best pH range is

Answer: (C)

The gravimetric test for with dimethylglyoxime (DMG) is carried out in a weakly ammoniacal/alkaline medium, around pH 9–11, where DMG is

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Question ID VK-155501