When N2 goes to N2 +, the N - N bond distance ... and
when O2 goes to O2 +, the o - o bond distance....
Increase, decrease
Bond order in N2 = 3 and N2 + = 2.5. Bond order in O2 = 2 and O2 + = 2.5. As bond order increases bond length decreases and vice-versa.