In which of the following processes energy is absorbed ?

Options

A. `Cl_((g))+e^(-)toCl_((g))^(-)`
B. `F_((g))^(-)+e^(-)toF_((g))^(-2)`
C. `Na_((g))^(+)+e^(-)toNa_((g))`
D. `Mg_((g))^(+2)+e^(-)toMg_((g))^(+)`

Answer

B

Explanation

`EA_(2)` process is always endothermic