1.

among the following series of transition metal ions, the one where all ions have some 3d electronic configuration is

Answer»

`TI^(2+),Cr^(4+), Mn^(5+),V^(3+) `
`Ti^(3+), Ni^(2+), Co^+, Zn^(2+)`
`Sc^(2+), Ti^(2+), V^(2+), Cr^(2+)`
`Mn^(5+), Co^(4+), Ni^(3+),Cu^(2+)`

Answer :A


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