JEE Chemistry
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
- 01Pair of species among the following having same bond order as well as paramagnetic character will be:MCQEasyJEE 2026
- 02Given 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
- 03Which of the following linear combinations of atomic orbitals will lead to the formation of molecular orbitals in homonuclear diatomic…MCQEasyJEE 2025
- 04Given below are two statements: Statement I: Experimentally determined oxygen-oxygen bond lengths in O₃ are found to be the same and the…MCQEasyJEE 2025
- 05Which 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
- 06Sum of bond order of CO and NO⁺ is:NVAEasyJEE 2024
- 07The total number of antibonding molecular orbitals formed from 2s and 2p atomic orbitals in a diatomic molecule is:MCQEasyJEE 2024
- 08The total number of molecular orbitals formed from 2s and 2p atomic orbitals of a diatomic molecule is:NVAEasyJEE 2024
- 09The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals A. have the same…MCQEasyJEE 2024
- 10Total number of electrons present in (π^*) molecular orbitals of O₂, O₂⁺, and O₂⁻ is:NVAEasyJEE 2024
- 11What is the number of unpaired electrons(s) in the highest occupied molecular orbital of the following species: N₂, N₂⁺, O₂, O₂⁻?MCQMediumJEE 2023
- 12According to MO theory, the bond orders for O₂²⁻, CO and NO⁺, respectively, are:MCQMediumJEE 2023
- 13The bond order and magnetic property of acetylide ion are same as that of:MCQEasyJEE 2023
- 14Consider the following statements: (A) NF₃ molecule has a trigonal planar structure. (B) Bond length of N₂ is shorter than O₂. (C)…MCQEasyJEE 2023
Frequently asked questions
Our bank has 14 previous-year JEE Chemistry questions tagged to Molecular Orbital Theory, drawn from JEE papers between 2023 and 2026, including 2 from 2026 alone. Each comes with a full step-by-step solution.
Molecular Orbital Theory is rated Advanced overall for JEE Chemistry. The PYQs on this page break down as 11 easy, 3 medium.
Of the 14 previous-year questions on Molecular Orbital Theory, 11 are multiple-choice (MCQ) and 3 are numerical-value (NVA) questions.
Based on recent paper analysis, Molecular Orbital Theory is worth about 1 mark in JEE Main. It sits in Chemical Bonding & Molecular Structure, a Class 11 Chemistry chapter.
More Chemical Bonding & Molecular Structure topics
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