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Predict the number of species which will...

Predict the number of species which will be colourless in aqueous solution, among the following `Ti^(3+),V^(3+),Cu^(+),Sc^(3+),Mn^(2+),Fe^(3+),Co^(2+)`

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The correct Answer is:
`0001`
`Sc^(3+)` is colourless.
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Predict which of the following will be coloured in aqueous solution ? Ti^(3+), V^(3+),Cu^(+),Sc^(3+), Mn^(2+), Fe^(3+), Co^(2+) .

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GRB PUBLICATION-D-BLOCK ELEMENTS-Subjective Type
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