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| 1. |
The aqueous solution containing which one of the following ions will be colourless (Atomic number `Sc = 21, Fe = 26, Ri = 22, Mn = 25)`A. `Fe^(2+)`B. `Mn^(2+)`C. `Ti^(3+)`D. `Sc^(3+)` |
| Answer» Correct Answer - D | |