In which of the following options order of arrangement does not agree

1.	In which of the following options order of arrangement does not agree with the variation of property indicated against it?(i) Al3+ < Mg2+ < Na+ < F– (increasing ionic size)(ii) B < C < N < O (increasing first ionisation enthalpy)(iii) I < Br < Cl < F (increasing electron gain enthalpy)(iv) Li < Na < K < Rb (increasing metallic radius)
Answer» (ii), (iii) (ii) B < C < N < O (increasing first ionisation enthalpy) (iii) I < Br < Cl < F (increasing electron gain enthalpy)

In which of the following options order of arrangement does not agree with the variation of property indicated against it?(i) Al3+ < Mg2+ < Na+ < F– (increasing ionic size)(ii) B < C < N < O (increasing first ionisation enthalpy)(iii) I < Br < Cl < F (increasing electron gain enthalpy)(iv) Li < Na < K < Rb (increasing metallic radius)

Answer»

(ii), (iii)

(ii) B < C < N < O (increasing first ionisation enthalpy)

(iii) I < Br < Cl < F (increasing electron gain enthalpy)