Question

13. Write the electronic configuration of Mn2+ and Co3+​

Answer 1

Answer:

Answer Electronic configuration of Mn2+ is [Ar]18 3d5. The ground-state electron configuration of a Co3+ ion is 1s2 2s2 2p6 3s2 3p6 3d6.

Explanation:

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Answer 2

ELECTRONIC CONFIGURATION OF $Mn^{2+}=[Ar] 3d^{5}$ AND THAT OF $Co^{3+}= [Ar] 3d^{6}$.

Explanation:

• The electronic configuration of Manganese in ground state is $[Ar] 4s^{2}3d^{5}$. An oxidation state of +2 suggests that Mn has lost 2 electrons in $Mn^{2+}$  . These two electrons will be removed from the s orbital. The electronic configuration  will $[Ar] 3d^{5}$.
• The electronic configuration of Cobalt in ground state is $[Ar] 4s^{2}3d^{7}$. An oxidation state of +3 suggests that Co has lost 3 electrons in $Co^{3+}$. This suggests that two electrons will be removed from the 4s orbital and one from 3d. The electronic configuration  will $[Ar] 3d^{6}$.

• $Mn^{2+}=[Ar] 3d^{5}$
• $Co^{3+}= [Ar] 3d^{6}$