Molecular Orbital Theory: JEE Questions & Solutions
14 previous-year JEE Chemistry questions on Molecular Orbital Theory, each with a worked step-by-step solution.
Previous-year questions
- 01
Pair of species among the following having same bond order as well as paramagnetic character will be:
MCQEasyJEE 2026 - 02
Given below are two statements: Statement I: The number of species among BF₄⁻, SiF₄, XeF₄ and SF₄, that have unequal E–F bond lengths is…
MCQMediumJEE 2026 - 03
Which of the following linear combinations of atomic orbitals will lead to the formation of molecular orbitals in homonuclear diatomic…
MCQEasyJEE 2025 - 04
Given below are two statements: Statement I: Experimentally determined oxygen-oxygen bond lengths in O₃ are found to be the same and the…
MCQEasyJEE 2025 - 05
Which of the following molecule(s) show/s paramagnetic behavior? A. O₂ B. N₂ C. F₂ D. S₂ E. Cl₂ Choose the correct answer from the options…
MCQEasyJEE 2025 - 06
Sum of bond order of CO and NO⁺ is:
NVAEasyJEE 2024 - 07
The total number of antibonding molecular orbitals formed from 2s and 2p atomic orbitals in a diatomic molecule is:
MCQEasyJEE 2024 - 08
The total number of molecular orbitals formed from 2s and 2p atomic orbitals of a diatomic molecule is:
NVAEasyJEE 2024 - 09
The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals A. have the same…
MCQEasyJEE 2024 - 10
Total number of electrons present in (π^*) molecular orbitals of O₂, O₂⁺, and O₂⁻ is:
NVAEasyJEE 2024 - 11
What is the number of unpaired electrons(s) in the highest occupied molecular orbital of the following species: N₂, N₂⁺, O₂, O₂⁻?
MCQMediumJEE 2023 - 12
According to MO theory, the bond orders for O₂²⁻, CO and NO⁺, respectively, are:
MCQMediumJEE 2023 - 13
The bond order and magnetic property of acetylide ion are same as that of:
MCQEasyJEE 2023 - 14
Consider the following statements: (A) NF₃ molecule has a trigonal planar structure. (B) Bond length of N₂ is shorter than O₂. (C)…
MCQEasyJEE 2023
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