Question

In the molecular orbital diagram for O${}_2+$ion the HOMO is :-

• A. $\sigma$ MO orbital
• B. ${\Pi }^{\ast }$ MO orbital
• C. $\Pi$ MO orbital
• D. *$\sigma$ MO orbital

Answer 1

Answer: (B)

${\Pi }^{\ast }$ MO orbital

$O_2^{+}$

Refer to Image

HOMO of $O_2^{+}={\Pi }^{\ast }$ Molecular orbital