Bond order of `SO_(2)` is .

Which of the following statements are correct? I. Bond order of NO is 2.5 II. Bond order of NO^(+) is 3.0 III. Bond order of O_(2) is 1.5 IV. Bond order of CO is 3.0

Which of the following statements are correct? I. Bond order of NO is 2.5 II. Bond order of NO^(+) is 3.0 III. Bond order of O_(2) is 1.5 IV. Bond order of CO is 3.0

The bond order of O_(2)^(-) is

Bond order of Be_2 is