Among the species O$_2^+$, N$_2^-$, N$_2^{2-}$ and O$_2^-$ which have same bond order as well as paramagnetic in nature.
Show Hint
- O$_2^+$, N$_2^-$
- O$_2^-$, N$_2^-$
- O$_2^+$, O$_2$
- O$_2^-$, N$_2$
The Correct Option is B
Solution and Explanation
Step 1: Determine bond order and magnetic nature. 
Step 2: Identify matching properties.
O$_2^-$ and N$_2^-$ both have bond order 2.5 and are paramagnetic.
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