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Q.
What is the net charge on ferrous ion?
Redox Reactions
Solution:
$_{26}Fe \to [Ar]3d^{6}\,4s^{2}$
$Fe^{++} \to [Ar]3d^{6}\, 4S^{0}$
$Fe^{+++} \to [Ar]3d^{5}\, 4S^{0}$
In +2 state Fe is called ferrous and in +3 state as ferric