In which of the following arrangements the order is NOT according to the property indicated against it ?

Options

A. `Al^(3+)ltMg^(2+)ltNa^(1+)ltF^(-)`- increasing ionic size
B. B `lt` C `lt` N `lt` O - increasing first ionization enthalpy
C. I `lt`Br`lt` F `lt` Cl - increasing electron gain enthalpy (with negative sign)
D. Li`lt` Na`lt` K `lt` Rb - increasing metallic radius

Answer

B