Chemistry, asked by likhith85621, 1 year ago

In which of the following pairs both the ions are coloured in aqueous solutions ?
(a) Sc³⁺, Ti³⁺
(b) Sc³⁺, Co²⁺
(c) Ni²⁺, Cu⁺
(d) Ni²⁺, Ti³⁺
(At. no. : Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)

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Answered by dotis1

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