Which of the following transitions involves maximum amount of energy?

Options

A. `M^(-) ( g) to M ( g) `
B. `M (g) to M^(-) (g)`
C. `M^(+) (g) to M^(2) (g)`
D. `M^(2+) ( g) to M^(3+) (g)`

Answer

D

Explanation

`Delta_(i)H_(3)` is greater than `Delta_(i) H_(2)`