Chemistry

Problem

In which of the following arrangements, the order is not correct according to the property indicated against it? a. Increasing size :

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

b. Increasing I.E.₁ :

\text{B} < \text{C} < \text{N} < \text{O}

c. Increasing E.A.₁ :

\text{I} < \text{Br} < \text{F} < \text{Cl}

d. Increasing metallic radius :

\text{Li} < \text{Na} < \text{K} < \text{Rb}