Which one of the following transition metal ions is colourless in aqueous solutions? (a) \( \mat...

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Which one of the following transition metal ions is colourless in aqueous solutions?
(a) \( \mathrm{Ti}^{4+} \)
(Kerala CEE 2014)
\( P \)
(c) \( \mathrm{Mn}^{2+} \)
(b) \( \mathrm{V}^{4+} \)
W.
(e) \( \mathrm{Ni}^{2+} \)
(d) \( \mathrm{Fe}^{3+} \)
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