Which of the following metal ions has a purpl | vedclass

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(B) The color of transition metal ions in aqueous solution is primarily due to $d-d$ transitions.$Ti^{3+}$ has a $3d^1$ configuration.In an octahedral

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$Ti^{3+}$

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(B) The color of transition metal ions in aqueous solution is primarily due to $d-d$ transitions.$Ti^{3+}$ has a $3d^1$ configuration.In an octahedral crystal field,the single electron in the $d$-orbital undergoes $d-d$ transition by absorbing light in the yellow-green region,which results in the complementary color,purple (or violet).Therefore,$Ti^{3+}$ ions appear purple in aqueous solution.

Which of the following metal ions has a purple color?

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