The number of anti - bonding electrons present in `O_(2)^(-)` molecular ion is :

Options

A. 8
B. 6
C. 5
D. 4

Explanation

`O_(2)^(-) (17): KK sigma2s^(2) sigma**2s^(2), sigma2p_(z)^(2), pi 2p_(x)^(2) = pi 2p_(y)^(2), pi^(**) 2p_(x)^(2) = pi^(**)2p_(y)^(1)`
No. of bonding `e^(-) = 10`, no. of antiboding `e^(-)=7`