An ionic compound `A^(+) B^(-)` is most likely to be formed when :

Options

A. the ionization energy of A high and electron affinity of B is low
B. the ionization energy of A is low and electron affinity of B is high
C. both, the ionization energy of A and electron affinity of B are high
D. both, the ionization energy of A and electron affinity of B are low

Answer

B