Which of the following in an energy consuming process ?

Options

A. `O_((g)) +e^(-) rarr O_((g))^(ɵ)`
B. `Na_((g))^(o+) + e^(-) rarr Na_((g))`
C. `O_((g))^(ɵ) + e^(-) rarr O_((g))^(2-)`
D. `O_((g))^(2-) rarr O^(ɵ)+e^(-)`

Answer

C

Explanation

Second `EA` of `O_((g))^(ɵ)` is positive.