In which of the following pairs are both the ions coloured in aqueous solution-A. ` Ni^(2+), Ti^(3+) `B. `Sc^(3+),Ti^(3+)`C. `Sc^(3+), Co^(2+)`D. `Ni^(2+), Cu^(+)`

In which of the following pairs are both the ions coloured in aqueous

1.	In which of the following pairs are both the ions coloured in aqueous solution-A. ` Ni^(2+), Ti^(3+) `B. `Sc^(3+),Ti^(3+)`C. `Sc^(3+), Co^(2+)`D. `Ni^(2+), Cu^(+)`
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In which of the following pairs are both the ions coloured in aqueous solution-A. ` Ni^(2+), Ti^(3+) `B. `Sc^(3+),Ti^(3+)`C. `Sc^(3+), Co^(2+)`D. `Ni^(2+), Cu^(+)`

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