Question

In which of the following arrangements, the order is not according to the property indicated against it?
a) Li < Na < K < Rb : Increasing metallic radius
b) I < Br < F < Cl : Increasing electron gain enthalpy(with negative sign)
c) B < C < N < O : Increasing first ionization enthalpy
d) Al³+ < Mg²+ < Na+F- : Increasing ionic size ​

Answer 1

Answer:

b) I < Br < F < Cl : Increasing electron gain

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Answer 2

Answer:

b) I < Br < F < Cl : Increasing electron gain enthalpy(with negative sign)