Gujarati
4.Chemical Bonding and Molecular Structure
hard

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

$A,B,C$

D

$A,D$

(IIT-2022)

Solution

(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)

Standard 11
Chemistry

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