Which of the following cation does not give red colour precipitate/...
Which of the following cation does not give red colour precipitate/solution with dimethylglyoxime (DMG) in
P alkaline solution?
IV
(a) \( \mathrm{Zn}^{+2} \)
(b) \( \mathrm{Ni}^{+2} \)
(c) \( \mathrm{Fe}^{2+} \)
(d) both \( (a) \) and (c)
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