# Among the following species, the diamagnetic molecule is:

Question:

Among the following species, the diamagnetic molecule is:

1. NO

2. CO

3. $\mathrm{B}_{2}$

4. $\mathrm{O}_{2}$

Correct Option: , 2

Solution:

The molecules with no unpaired electrons are diamagnetic.

Since $\mathrm{CO}$ has no unpaired electron. Hence $\mathrm{CO}$ is diamagnetic.