Chemistry

Problem

According to Slater's rule, correct order of

Z_{\text{eff}}

on valence shell electron is : a.

\text{Fe} > \text{Fe}^{2+} > \text{Fe}^{3+}

\text{N}^{3-} < \text{O}^{2-} < \text{F}^{-}

\text{Na}^{+} < \text{Mg}^{2+} < \text{Al}^{3+}

\text{Ti}^{2+} < \text{V}^{3+} < \text{Mn}^{5+}