atomic no. of iron is 26. It exhibits Fe2+,Fe3+ oxidation state. write the subshell electronic configuration.
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Answer:
it's electronic configuration is =2888
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Ans: Fe 2+:- [Ar] 3d⁶.
Fe 3+:- [Ar] 3d⁵
Explanation: In first condition, the 4s electrons have been lost ,the 3d electrons remain.
in second state, the electron is removed from the 3d subshell.
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