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Dimethyl glyoxime gives a red precipitate with `Ni^(2+)`, which is used for its detection. To get this precipitate readily the best `pH` range is
A. (a) `lt1`
B. (b) `2-3`
C. (c) `3-4`
D. (d) `9-11`

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Correct Answer - D
This reaction carried out in alkaline `pH` i.e., `9-11`.

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