In which of the following pairs, both the ions are coloured in aqueous solution? (At…
Chemistry · JEE Main · NTA Exams — d- and f-Block Elements
In which of the following pairs, both the ions are coloured in aqueous solution?
(At. no.:Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)
- Ni2+, Ti3+
- Sc3+, Ti3+
- Sc3+, Co2+
- Ni2+, Cu+
Answer
(A) Ni 2 + , Ti 3 +
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