Which of the following options represents the correct bond order ?

Options

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

Answer

B

Explanation

Bond orders : `O_(2)=2.0, O_(2)^(+)=2.5, O_(2)^(-)=1.5`
`therefore" "O_(2)^(-) ltO_(2)ltO_(2)^(+)`.