Which is the correct statement about `sigma` and `pi` molecular orbitals? Statements are
(i) `pi` bonding orbitals are ungerade
`pi` antibonding orbitals are ungerade
(iii) `sigma` antibonding orbitals are gerade

Options

A. 1 only
B. 2 and 3 only
C. 3 only
D. 2 only

Answer

A

Explanation

` sigma`-orbitals are gerade , `sigma^(**)` are
ungerade, `pi` are ungerade whereas `pi^(**)` are gerade .