Valency of iron in $FeC{l}_2$ is .......... and in $FeC{l}_3$, it is .......... .

The correct option is C 2, 3
$FeC{l}_2\to F{e}^{+2}+2C{l}^{-}$
$+2$ valency
$FeC{l}_3\to F{e}^{+3}+3C{l}^{-}$
$+3$ valency