
Chemical Bonding – Molecular Orbital Theory
Chemistry · Grade 11 · Week 13 · 25 questions
This Grade 11 chemistry chapter on Chemical Bonding introduces Molecular Orbital Theory. A strong base in these ideas makes organic, inorganic, and physical chemistry much more approachable later.
What you'll practise
- Identify Molecular Orbital Theory
- Work through NCERT intext examples and exercise questions for chemical bonding
- Apply chemical bonding concepts to NCERT exercise and exemplar problems
All 25 questions in this Chemical Bonding – Molecular Orbital Theory quiz
Grade 11 Chemistry — Chemical Bonding – Molecular Orbital Theory: 25 practice questions with instant scoring and explanations.
- MO theory was proposed by:
- Number of MOs formed from N AOs:
- Bonding MO has energy:
- Antibonding MO (e.g. σ*) has:
- Bond order =
- Bond order of H₂:
- Bond order of He₂:
- Bond order of N₂:
- Bond order of O₂:
- Magnetic nature of O₂:
- O₂ is paramagnetic because:
- Bond order of O₂⁻ (superoxide):
- Bond order of O₂²⁻ (peroxide):
- Bond order of F₂:
- Which is not stable: He₂ or Be₂:
- MO energy order for O₂, F₂:
- For B₂, C₂, N₂ the order differs in:
- Bond order and stability:
- Bond length and bond order:
- N₂⁺ bond order:
- N₂⁻ bond order:
- HOMO stands for:
- LUMO stands for:
- Constructive overlap gives:
- Destructive overlap gives:
Question 1 of 250 correct so far