Question

Ionisation energy of atoms A and B are 350 and `250 kcal mol^(-)` respectively. The electron affinities of these atoms are `70 kcal mol^(-1)` and `90 kcal mol^(-1)` respectively then:
A. Electron cloud is more attracted by A
B. Electron cloud is more attracted by B
C. Electronegativity of A is more than B
D. Electronegativity of A is less than B

Answer 1

Correct Answer - A::C
`E.N_(a) prop 350 +70, E.N_(B) prop 250 +90`
`rArr E.N_(A) gt E.N_(B)`