For diatomic molecules, the correct statement(s) about the molecu… - Vidyadip

MCQ

For diatomic molecules, the correct statement($s$) about the molecular orbitals formed by the overlap to two $2 p_z$ orbitals is(are)

$(A)$ $\sigma$ orbital has a total of two nodal planes.

$(B)$ $\sigma^*$ orbital has one node in the $x z$-plane containing the molecular axis.

$(C)$ $\pi$ orbital has one node in the plane which is perpendicular to the molecular axis and goes through the center of the molecule.

$(D)$ $\pi^*$ orbital has one node in the $x y$-plane containing the molecular axis.

A
$A,B$
B
$A,C$
C
$A,B,C$
✓
$A,D$

✓

Answer

Correct option: D.

$A,D$

d
(image)

$\pi$-molecular orbital

Zero node in the plane which is perpendicular to the molecular axis and goes through the center of the molecule

$\pi^*$-molecular orbital

One node in xy plane containing the molecular axis

(image)

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