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# What is the oxidation state of Fe in FeCl$_3$?

$\begin {array} {1 1} +3 \\ +4 \\ +2 \\ +5 \end {array}$

Cl has an oxidation state of -1. Since there are 3 Cl atoms, the negative charge is -3.
The oxidation state of a neutral compound is zero, means that FeCl3 has no overall charge, the compound have a neutral charge, and therefore the oxidation state of Fe is +3.
edited Aug 4, 2014