The species having diamagnetic nature and bond order `1. 0` is :s

Options

A. ` O_(2)^(2-)`
B. `O_(2)^(+)`
C. `O_(2)^(2-)`
D. `O_2`

Answer

A

Explanation

M.O. configuration of `O_2: sigma1s^2 :sigma 1s_(2)^(**) 1s^2`
`sigma 2s^2, sigma^(**) 2s^2 , sigma 2p_x^2 [(pi 2p_y^2),(pi^(**) 2p_y^1)][(pi^(**) 2p_y^1),(pi^(**) 2p_z^1)]`