The difference between the value of `Delta H` ( hydration ) of `X^(-)` ion is maximum for which the following pairs of ions ?

Options

A. `Cl^(-), Br^(-)`
B. `Br^(-),I^(-)`
C. `I^(-), Cl^(-)`
D. `F^(-) , Cl^(-)`

Answer

D

Explanation

The difference between the value of `Delta H ` of `X^(-)` is `F^(-) , Cl^(-)` ( due to electron affinity)