For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two $2{\mathrm{p}}_{\mathrm{z}}$ orbitals is(are)

• Correct answer
  A

  $\sigma$ orbital has a total of two nodal planes.
• B

  ${\sigma }^{*}$ orbital has one node in the $\mathrm{xz}$-plane containing the molecular axis.
• C

  $\mathrm{\pi }$ orbital has one node in the plane which is perpendicular to the molecular axis and goes through the center of the molecule
• Correct answer
  D

  ${\mathrm{\pi }}^{*}$ orbital has one node in the $\mathrm{xy}$-plane containing the molecular axis.

Hence, the correct answer is options: 'A', 'D'.