Question

Which is correct statement about `sigma - and po-`
molecular orbitals ? Statements are :
`pi-` bonding orbitals are ungerade
`pi`-antibonding orbitals are ungerade
`sigma`-antibondding orbitals are gerade
A. 1 only
B. 2 and 3 only
C. 3 only
D. 2 only

Answer 1

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