MCQ
Which of the following $M.O$ has two nodal Plane's
  • ${\sigma _{2s}}$
  • B
    ${\pi _{2{p_y}}}$
  • C
    ${\pi ^ * }_{2{p_y}}$
  • D
    ${\sigma ^ * }_{2{p_z}}$

Answer

Correct option: A.
${\sigma _{2s}}$
a
In the given figure, bonding and antibonding orbital are shown for $p _{ x }$ orbital.

Similar overlapping of $p_y$ orbitals take place.

Therefore, $\pi^* 2 p _{ y }$ antibonding molecular orbital has two nodal planes.

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