Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Bond and Molecular Structure
Which of the following have identical bond order?
I. CN-
II. \(\rm O_2^-\)
III. NO+
IV. CN+
1
I, III
2
I, II
3
II, III
4
More than one of the above
5
None of the above