out of the ions co2+,sc3+and cr3+ which will give coloured aqueous solution and what will be the magnetic behaviour of each ion ?(Atomic no of co=27,sc=21and cr=24)
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co and cr will give coloured in aqueous solution
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Co2+ will be coloured becoz it doesnot have full filled or half filled d orbitals while Sc3+ has empty dorbitalsand Cr3+ has half filled t2g orbital.
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