The correct order of bond strength is :

Options

A. `O_(2)^(-) lt O_(2) lt O_(2)^(+) lt O_(2)^(2-)`
B. `O_(2)^(2-) lt O_(2)^(-1) lt O_(2) lt O_2^(+)`
C. `O_(2)^(-) lt O_(2)^(2-) lt O_(2) lt O_(2)^(+)`
D. `O_(2)^(+) lt O_(2) lt O_(2)^(-) lt O_(2)^(2-)`

Answer

B

Explanation

Bond order for `O_2, O_(2)^(+), O_(2)^(-), O_(2)^(2-)` are ` 2 , 2 . 5, 1 . 5 ` and `1 . 0` respectively . Heigher is bond order more is bond energy .