Question

For $O_2$ molecule, molecular orbitals having lowest energy is

• A. $\sigma^* 2p_z$
• B. $\pi 2p_y$
• C. $\pi^* 2p_x$
• D. $\sigma 2p_z$

Answer 1

Answer: (D)

$\sigma 2p_z$

Answer 2

$\sigma 2p_z$, has lowest energy among given orbitals for $O_2$ molecule.