NEET UG – Chemistry Practice Paper (PYQs) | Part 7 Chemical Bonding & Molecular Structure Leave a Comment / NEET Practice Papers / By odadmin Part 7 | Topic: Chemical Bonding & Molecular Structure Total Questions: 30 | Total Marks: 120 Q1. Which bond is the strongest? Single bond Double bond Triple bond Hydrogen bond Triple bond has maximum bond energy. Q2. Which molecule has zero dipole moment? NH₃ H₂O CO₂ SO₂ Linear CO₂ cancels dipole moments. Q3. Hybridisation of carbon in methane is: sp sp² sp³ dsp² Methane has tetrahedral geometry. Q4. Which molecule is trigonal planar? NH₃ BF₃ H₂O PCl₃ BF₃ is sp² hybridised. Q5. Which orbital has maximum penetration power? s p d f s-orbital penetrates closest to nucleus. Q6. Which species is paramagnetic? N₂ O₂ CO₂ H₂ O₂ has unpaired electrons. Q7. Bond order of O₂⁺ is: 1 1.5 2 2.5 Removal of electron increases bond order. Q8. Which compound shows hydrogen bonding? H₂S NH₃ PH₃ HCl NH₃ has N–H bonds. Q9. Which has highest bond angle? CH₄ NH₃ H₂O CO₂ Linear CO₂ has 180° bond angle. Q10. Which bond is most polar? C–H N–H O–H F–H Maximum electronegativity difference. Q11. Shape of SF₆ is: Tetrahedral Trigonal bipyramidal Octahedral Square planar Six bond pairs around sulphur. Q12. Which molecule is bent in shape? CO₂ SO₂ BF₃ BeCl₂ Lone pair causes bending. Q13. Which compound has sp hybridisation? Ethene Ethyne Ethane Benzene Ethyne has linear geometry. Q14. Which ion is isoelectronic with neon? Na⁺ Mg²⁺ F⁻ All of these All have 10 electrons. Q15. Which interaction is weakest? Covalent bond Ionic bond Hydrogen bond Van der Waals force Van der Waals forces are weakest. Q16. Which molecule has square planar geometry? XeF₄ SF₆ PCl₅ NH₃ XeF₄ has two lone pairs. Q17. Which has maximum lattice energy? NaCl KCl MgO CsCl Higher charge and smaller size. Q18. Which molecule is linear? H₂O NH₃ CO₂ SO₂ CO₂ has sp hybridisation. Q19. Which compound shows resonance? Ethane Ethene Benzene Methane Delocalized π electrons. Q20. Which has highest bond dissociation energy? F–F Cl–Cl O=O N≡N Triple bond in nitrogen is strongest. Q21. Which bond is present in interhalogen compounds? Ionic Covalent Hydrogen Metallic Interhalogens are covalent. Q22. Which molecule is pyramidal? BF₃ NH₃ CO₂ BeCl₂ Lone pair on nitrogen. Q23. Which species is diamagnetic? O₂ NO N₂ NO₂ All electrons are paired. Q24. Which compound has highest polarity? CCl₄ CO₂ NH₃ BF₃ Asymmetric pyramidal structure. Q25. Which hybridisation gives linear geometry? sp sp² sp³ dsp² sp hybridisation → 180°. Q26. Which molecule has tetrahedral geometry? NH₃ CH₄ H₂O SO₂ CH₄ is sp³ hybridised. Q27. Which bond angle is smallest? CH₄ NH₃ H₂O CO₂ Two lone pairs reduce angle most. Q28. Which species has maximum bond order? O₂ O₂⁺ O₂⁻ O₂²⁻ Removal of antibonding electron. Q29. Which interaction is responsible for boiling of liquids? Conclusion: Why Part 7 (Chemical Bonding & Molecular Structure) Is Essential for NEET Success NEET UG Chemistry Practice Paper – Part 7, focused on Chemical Bonding & Molecular Structure, targets one of the most concept-heavy and high-weight chapters in NEET Chemistry. This topic forms the foundation for understanding large portions of both Inorganic and Physical Chemistry, making it a non-negotiable scoring area for serious aspirants. The biggest advantage of Part 7 is its deep emphasis on fundamentals. Questions on hybridisation, molecular geometry, bond order, bond angle, dipole moment, lattice energy, hydrogen bonding, and intermolecular forces ensure that students are not memorizing facts, but truly understanding how atoms combine and why molecules behave the way they do. NEET frequently frames direct-looking questions from this chapter that require clear conceptual thinking, and this paper prepares students precisely for that challenge. Part 7 also strengthens visualisation and structural thinking, which is critical in Chemical Bonding. Concepts like VSEPR theory, lone pair–bond pair repulsions, resonance, and molecular orbital theory often confuse students. By practicing these questions in a mixed and progressive manner, learners develop the ability to quickly visualize molecular shapes, predict bond angles, and determine magnetic nature or polarity—skills that directly translate into faster and more accurate answers in the exam. Another key benefit of this paper is the focus on elimination-based MCQs, which is a hallmark of NEET. Many options are intentionally close, differing only in subtle conceptual details. Regular practice with such questions improves a student’s ability to eliminate incorrect choices logically, reducing guesswork and increasing accuracy—an essential trait for maximizing scores. Part 7 also bridges the gap between theory and application. Instead of isolated definitions, students apply concepts across multiple scenarios—such as comparing bond strengths, predicting shapes, identifying paramagnetic species, and evaluating covalent character. This integrated approach ensures long-term retention and prepares students for twisted or indirect NEET questions. The instant feedback with explanations further enhances learning. Each mistake becomes a learning opportunity, helping students correct misunderstandings immediately and reinforce the correct logic. Over time, this leads to stronger conceptual clarity and greater confidence. In conclusion, Part 7 is not just practice—it is concept mastery training. It sharpens fundamentals, improves structural visualization, enhances elimination skills, and builds confidence in one of NEET Chemistry’s most important chapters. For aspirants aiming to make Chemistry a strong scoring section, mastering Part 7 is a decisive step toward NEET success. 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