MCQ
Which of the following ions has $d^6$ outer electronic configuration?
  • A
    $\mathrm{Fe}^{3+}$
  • B
    $\mathrm{Mn}^{3+}$
  • $\mathrm{Co}^{3+}$
  • D
    $\mathrm{Cr}^{2+}$​​​​​​​

Answer

Correct option: C.
$\mathrm{Co}^{3+}$
C

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