Identify the electron configuration of the metal ion in fe(no3)3.

Identify the electron configuration of the metal ion in Fe(NO3)3.

[Ar]3d6
[Ar]4s23d6
[Ar]4s23d3
[Ar]4s23d6
[Ar]3d5

Answer

Answer: In Fe (NO3)3 metal is iron and its oxidation state is 3+. i.e. Fe3+ Electronic configuration of Fe3+ is [Ar13d5

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