Verified Solution • 2025–26 Session moderate

QJEEAdv22Chefbc: JEE Advanced 2022 Chemistry - Class 11 JEEAdv22Chefbc Solution: For diatomic molecules, the correct statement(s) about the…

For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two 2pz2 p_{z} orbitals is(are)

Multiple Choice Options

  • A σ\sigma orbital has a total of two nodal planes.
  • B σ∗\sigma^{*} orbital has one node in the xzx z -plane containing the molecular axis.
  • C π\pi orbital has one node in the plane which is perpendicular to the molecular axis and goes through the center of the molecule.
  • D π∗\pi^{*} orbital has one node in the xyx y -plane containing the molecular axis.

Step-by-Step Verified Solution

JEE Advanced 2022 Paper 1 Online Chemistry - Structure of Atom Question 4 English Explanation 1

Option (A) is correct. JEE Advanced 2022 Paper 1 Online Chemistry - Structure of Atom Question 4 English Explanation 2

Option (B) is incorrect. JEE Advanced 2022 Paper 1 Online Chemistry - Structure of Atom Question 4 English Explanation 3

π∗\pi^* orbital has zero node is the plane which is perpendicular to the molecular axis and goes through the center of molecule.

So, option (C) is incorrect. JEE Advanced 2022 Paper 1 Online Chemistry - Structure of Atom Question 4 English Explanation 4

π∗\pi^* Orbital has one node in the xy−x y- plane containing the molecular axis.

Option (D) is correct.

Related Learning Resources & Exam Preparation