CBSE Class 12 Chemistry 2023 Delhi Set 2 Solved Paper

Question : 2

Total: 12

Which of the following ions has the electronic configuration 3d6 ? (Atomic number; Mn=25, Co=27,Ni=28 )

Solution: 👈: Video Solution

Co3+
Co= Electronic configuration is [Hr]3d74s2
Co3+=3d6.

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