In which of the following molecules does the molecular orbital configuration lea

In which of the following molecules does the molecular orbital configuration lead to paramagnetism?

In which of the following molecules does the molecular orbital configuration lead to paramagnetism?

Step 1: Understand what paramagnetism means. Paramagnetic substances have unpaired electrons in their molecular orbitals.
Step 2: Identify the molecular orbital configuration of O2. O2 has a total of 16 electrons.
Step 3: Fill the molecular orbitals according to the Aufbau principle, Hund's rule, and the Pauli exclusion principle.
Step 4: In the case of O2, the molecular orbital configuration is: (σ1s)² (σ*1s)² (σ2s)² (σ*2s)² (σ2p)² (π2p)² (π*2p)¹ (π*2p)¹.
Step 5: Look for unpaired electrons in the configuration. O2 has two unpaired electrons in the π*2p orbitals.
Step 6: Conclude that since O2 has unpaired electrons, it is paramagnetic.

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