1.

Which of the following options with respect to increasing bond order is correct ?A. `NO lt C_(2) lt O_(2)^(-) lt B_(2)`B. `C_(2) lt NO lt B_(2) lt O_(2)^(-)`C. `B_(2) lt O_(2)^(-) lt NO lt C_(2)`D. `B_(2) lt O_(2)^(-) lt C_(2) lt NO`

Answer» Correct Answer - D
`B_(2)` bond order `=(6-4)/(2)=1,O_(2)^(-)` bond order `=(10-7)/(2)=1.5`
`C_(2)` bond order `=(8-4)/(2)=2,NO` bond order `=(10-5)/(2)=2.5`


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