Exam-Style Online Test | Class 11: Chemical Bonding Test

Class 11 Chemistry — Chapter 4: Chemical Bonding and Molecular Structure Online Test

Start Your Test by Choosing a Paper

0%

Class 11 Chemistry: Chemical Bonding and Molecular Structure Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. Which reaction correctly represents the preparation of XeF₆?

2 / 20

2. Which chemical equation represents the preparation of PCl₅, an sp³d hybridized molecule?

3 / 20

3. Which equation corresponds to the formation of a π bond in ethene (C₂H₄)?

4 / 20

4. Why do HF molecules form zig-zag chains in the solid state?

5 / 20

5. Which of the following best describes intermolecular hydrogen bonding?

6 / 20

6. What is the bond order of H₂⁺ ion?

7 / 20

7. Which of the following molecules is paramagnetic according to MOT?

8 / 20

8. Which geometry is predicted by sp³ hybridization when there are no lone pairs?

9 / 20

9. Which of the following molecules has both sigma and pi bonds?

10 / 20

10. The bond between two carbon atoms in C₂H₄ (ethene) contains:

11 / 20

11. The molecular geometry of NH₃ is:

12 / 20

12. Which oxygen species has the weakest O–O bond?

13 / 20

13. The bond angle in methane (CH₄) is approximately:

14 / 20

14. In H₂O, the Lewis structure shows oxygen atom with:

15 / 20

15. In aqueous solution, which pair most likely dissociates more due to weaker effective ionic attraction after solvation (hydration)?

16 / 20

16. Chlorine forms Cl⁻ ion because:

17 / 20

17. Which molecule is best represented by a resonance structure in Lewis notation?

18 / 20

18. The bond length order among single, double, and triple bonds of the same atoms is:

19 / 20

19. The bond enthalpy of O=O is less than that of N≡N because:

20 / 20

20. The shape of H₂O molecule is best described as:

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: Chemical Bonding and Molecular Structure Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. Which molecule shows incomplete octet in the central atom?

2 / 30

2. The lattice enthalpy of NaCl can be calculated using the Born–Haber cycle. Which of the following data is NOT required?

3 / 30

3. In LCAO, the number of molecular orbitals formed is always:

4 / 30

4. According to VSEPR theory, a molecule with 4 bond pairs and no lone pairs has which geometry?

5 / 30

5. The shape of H₂O molecule is best described as:

6 / 30

6. Which of the following species has a bond order of zero due to equal bonding and antibonding electrons?

7 / 30

7. The O–H bond in water (H₂O) results from:

8 / 30

8. Which species has the highest bond order and therefore the shortest bond length?

9 / 30

9. In PCl₅, the central phosphorus atom undergoes which type of hybridization?

10 / 30

10. What is the shape of BF₃ molecule as predicted by VSEPR theory?

11 / 30

11. Which molecular orbital has higher energy in diatomic molecules up to nitrogen (Z ≤ 7)?

12 / 30

12. Which of the following correctly matches the molecule with its shape?

13 / 30

13. Which of the following correctly represents the Lewis dot structure of N₂?

14 / 30

14. Which of the following factors increases lattice enthalpy?

15 / 30

15. In covalent bonding, a single bond involves the sharing of:

16 / 30

16. Which of the following molecules has a bent geometry according to VSEPR theory?

17 / 30

17. Which species has the highest bond order?

18 / 30

18. Which type of hydrogen bonding increases the volatility of a compound?

19 / 30

19. The relationship between bond order and bond stability is:

20 / 30

20. The bond angles in PCl₅ are:

21 / 30

21. In PCl₅, the bond pairs occupy positions such that:

22 / 30

22. Which anomalous property of water is directly explained by hydrogen bonding?

23 / 30

23. Which rule helps predict the most stable structure of molecules?

24 / 30

24. In F₂ molecule, the type of overlap responsible for bond formation is:

25 / 30

25. Which of the following molecules does NOT form hydrogen bonds?

26 / 30

26. Which statement best captures Fajans’ rules regarding weakening of “ideal” ionic bond strength?

27 / 30

27. The octet rule fails to explain:

28 / 30

28. The bond order of F₂ molecule is:

29 / 30

29. What is the bond order of H₂⁺ ion?

30 / 30

30. Which of the following shows the resonance structures of carbonate ion?

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: Chemical Bonding and Molecular Structure Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. Which statement best captures Fajans’ rules regarding weakening of “ideal” ionic bond strength?

2 / 50

2. According to MOT, bond order is given by the formula:

3 / 50

3. Which property is correctly associated with pi bonds?

4 / 50

4. What is the bond order of H₂⁺ ion?

5 / 50

5. Chlorine forms Cl⁻ ion because:

6 / 50

6. Why does NH₃ have a bond angle of about 107° instead of 109.5°?

7 / 50

7. Which is the best example of intermolecular hydrogen bonding?

8 / 50

8. Which of the following statements about sp hybridization is true?

9 / 50

9. Which is the bond angle in BF₃?

10 / 50

10. In ethene (C₂H₄), the bond between two carbon atoms is:

11 / 50

11. Rotation around a C=C double bond is restricted because:

12 / 50

12. Which geometry is predicted by sp³ hybridization when there are no lone pairs?

13 / 50

13. Which molecular orbital arrangement is correct for molecules like B₂, C₂, and N₂?

14 / 50

14. The bond order of F₂ molecule is:

15 / 50

15. In MgO, how do magnesium and oxygen achieve octet?

16 / 50

16. According to VSEPR theory, the molecular shape of XeF₂ is:

17 / 50

17. According to MOT, which of the following species has the highest bond order?

18 / 50

18. The lattice enthalpy of ionic solids cannot be measured directly because:

19 / 50

19. Which of the following molecules violates the octet rule?

20 / 50

20. Which of the following is a direct chemical consequence of hydrogen bonding?

21 / 50

21. Which type of overlap is stronger?

22 / 50

22. Why is NH₃ less strongly hydrogen-bonded than H₂O?

23 / 50

23. Which molecule is best represented by a resonance structure in Lewis notation?

24 / 50

24. A molecule with bond order 0 according to MOT will be:

25 / 50

25. The molecular geometry of SF₆ according to VSEPR and hybridization is:

26 / 50

26. Which molecule involves s–p overlap in bond formation?

27 / 50

27. Which noble gas configuration is usually achieved through the octet rule?

28 / 50

28. Which of the following shows the resonance structures of carbonate ion?

29 / 50

29. Which hydrogen-bonding feature explains the unusually high surface tension of water?

30 / 50

30. According to VSEPR theory, a molecule with 4 bond pairs and no lone pairs has which geometry?

31 / 50

31. The electron dot structure of oxygen (O₂) shows how many shared pairs of electrons?

32 / 50

32. Which of the following molecules is diamagnetic?

33 / 50

33. Which of the following best defines hydrogen bonding?

34 / 50

34. According to MOT, the correct molecular orbital configuration for H₂ is:

35 / 50

35. In LCAO, the number of molecular orbitals formed is always:

36 / 50

36. Which best describes the occupancy of bonding and antibonding orbitals in O₂?

37 / 50

37. Which of the following is not an example of ionic compound?

38 / 50

38. Which hydrogen bonding pattern is essential for the secondary structure of proteins (α-helix, β-sheet)?

39 / 50

39. Which of the following species will be diamagnetic based on bond order?

40 / 50

40. Which chemical equation represents the preparation of PCl₅, an sp³d hybridized molecule?

41 / 50

41. In the Lewis dot structure of H₂O, how many lone pairs are present on the oxygen atom?

42 / 50

42. The lattice enthalpy of LiF is higher than that of LiI because:

43 / 50

43. Which molecule has polar covalent bonds but is overall non-polar?

44 / 50

44. In aqueous solution, which pair most likely dissociates more due to weaker effective ionic attraction after solvation (hydration)?

45 / 50

45. Which compound forms the largest number of hydrogen bonds per molecule?

46 / 50

46. Which of the following ionic compounds has the highest lattice enthalpy?

47 / 50

47. Which of the following species has the highest bond order?

48 / 50

48. Which of the following reactions shows the concept of coordinate covalent bond formation?

49 / 50

49. In H₂O, the Lewis structure shows oxygen atom with:

50 / 50

50. Which statement about O₂ is correct according to its MO diagram?

Please provide accurate information so we can send your Achievement Certificate by mail.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.


Class 11 Chemistry — Chapter 4: Chemical Bonding and Molecular Structure Online Test

The Class 11 Chemistry: Chapter 4 — Chemical Bonding and Molecular Structure Online Test offers a comprehensive pool of 395 MCQs designed to assess your understanding of the fundamental concepts in Chemical Bonding. This test is free, CBSE/NCERT-aligned, and is perfect for students preparing for exams. You can practice timed MCQs, see your result instantly, review answers, and—if you pass Paper 3—download a certificate. It’s an excellent way to prepare for both school exams and competitive tests like JEE and NEET.

Struggling with types of chemical bonds, Lewis structures, or VSEPR theory? Don’t worry, this page is your safe space to practice Chemical Bonding concepts at your own pace. Think of it like a small online mock test you can take at home, on your phone or laptop. Every attempt is a quick online exam with objective questions, providing you with immediate feedback. Each retake will help you understand the core concepts better. When you’re ready, attempt Paper 3 and earn a certificate. Let’s get started on your Chemistry journey!

What is this Class 11 Chemistry: Chemical Bonding and Molecular Structure Online Test?

This page contains three exam-style MCQ papers for Chapter 4:

  • Paper 1 (Easy) — Foundation: 20 questions · 30 min · Pass 40% · Fixed set
  • Paper 2 (Medium) — Mixed: 30 questions · 45 min · Pass 50% · Randomized from a pool of ~395 questions
  • Paper 3 (Hard) — Challenge: 50 questions · 75 min · Pass 70% · Randomized from the same pool + Certificate on pass

Note: You get new question mixes in Paper 2 and Paper 3 on every attempt. Each attempt is timed, auto-evaluated, and shows your score with answer review.

Topics covered in these online tests

The online tests are designed to assess your understanding of key concepts from Chapter 4: Chemical Bonding and Molecular Structure. You will practice the following topics:

  • Nature of Chemical Bonds — ionic bonds, covalent bonds, and coordinate covalent bonds
  • Lewis Structures — drawing Lewis structures, octet rule, and resonance structures
  • Valence Shell Electron Pair Repulsion (VSEPR) Theory — predicting molecular geometry and bond angles
  • Hybridization — sp, sp², sp³ hybridization and their implications in bonding and geometry
  • Molecular Orbital Theory — bonding and anti-bonding orbitals, energy-level diagrams
  • Bonding in Solids — ionic solids, covalent solids, metallic solids, and molecular solids
  • Polarity of Molecules — dipole moment, molecular polarity and its relation to geometry
  • Intermolecular Forces — hydrogen bonding, van der Waals forces, and dipole-dipole interactions
  • Bond Order — calculation and significance of bond order in molecular stability
  • Anomalous Properties of Water — high boiling point, surface tension, and solubility effects

For more detailed practice, explore: Chemical Bonding and Molecular Structure MCQs and the full Class 11 Chemistry MCQ Question Bank.

How This Exam-Style Online Test Works

Short version: Pick a paper → answer MCQs within time → submit → get instant score and review. Pass Paper 3 to get a certificate.

What you’ll see during the test

  • MCQs: One question with four options (A, B, C, D).
  • Timer on top: P1: 30 min • P2: 45 min • P3: 75 min.
  • Pagination: Typically 10 questions per page (move to next group using page controls).
  • Navigation: Use Next/Prev buttons or question map to revisit before submitting.
  • View Result: Click View Result to see marks and detailed summary.
  • Result page shows: score %, correct / incorrect / unanswered count, answer-key/review, and share options.
  • Restart: Click Restart Test to try again with a new mix of questions (P2 & P3).

Note: Please share your feedback on the result page after completing a test.

Marking & pass criteria

  • Scoring: +1 for correct, 0 for incorrect (no negative marking).
  • Passing marks: Paper 1 — 40% • Paper 2 — 50% • Paper 3 — 70%.
  • Randomization: Paper 2 & 3 shuffle questions from a large Chapter 4 question pool on every attempt; Paper 1 stays fixed.

Who can take this test?

  • CBSE Class 11 students revising Chapter 4 (Chemical Bonding and Molecular Structure).
  • Class 12 bridge / revision learners who want to improve their understanding of bonding concepts.
  • JEE/NEET foundation aspirants building strong command over chemical bonding concepts.
  • Teachers / tutors needing ready-made chapter tests for assignments and quizzes.
  • Students from other boards & countries who want extra practice on bonding and molecular structure topics.
  • Competitive exam aspirants revising core concepts of Chemical Bonding and Molecular Structure.

Advantages of this online test

  • Real exam feel: timer, pass %, and auto-submit on time out.
  • Instant feedback: get your score, see correct answers, and spot weak areas immediately.
  • Step-up difficulty: Easy → Mixed → Challenge (+ certificate on Paper 3).
  • Unlimited attempts: practice till perfect; fresh randomized sets in Paper 2 & 3.
  • Zero cost & safe: completely free; no payment, no signup required.

How this test helps you study better

Use this simple plan for Chapter 4:

  • Step 1 – Concept check: Attempt Paper 1 after studying the chapter. Note weak sub-topics (e.g., VSEPR theory, hybridization).
  • Step 2 – Reinforce: Attempt Paper 2 (randomized) to stabilize accuracy in bonding and structure concepts.
  • Step 3 – Exam readiness: Attempt Paper 3 strictly within time. Target ≥ 70% and earn the certificate.
  • Step 4 – Review: Read solutions carefully, maintain a short error-log notebook, revise only missed ideas.
  • Step 5 – Retake smartly: Re-attempt after 1–2 days to test long-term recall and real improvement.

Important notes (read before you start)

  • Do not refresh / close the tab during the test.
  • Best experience: latest Chrome/Edge, stable internet, distraction-free screen.
  • Allow cookies / local storage so your progress and settings work smoothly.
  • Safety: This test is 100% FREE. Ignore any payment or login requests.

More practice for Class 11 Chemistry

After finishing this online test, strengthen your Chemistry further: visit the full Class 11 Chemistry Online Test Index or practice all chapters from the Class 11 Chemistry MCQ Collection.

FAQs on Chemical Bonding and Molecular Structure Online Test

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments
Scroll to Top