Exam-Style Online Test | Class 11 Chemistry: Redox Reactions
GKaim: Measure. Improve. Achieve.

Class 11 Chemistry — Chapter 8: Redox Reactions Online Test

Start Your Test by Choosing a Paper

0%

Class 11 Chemistry: Redox Reactions 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. In the reaction , how do you balance the electrons in a full redox reaction involving both oxidation and reduction half-reactions?

2 / 20

2. In the reaction , what is the standard electrode potential of the half-cell?

3 / 20

3. In the cell notation , what does the represent?

4 / 20

4. How are redox reactions related to the generation of electrical energy in a galvanic cell?

5 / 20

5. What is the role of NADH and FADH2 in cellular respiration?

6 / 20

6. What is the main difference between bleaching with chlorine and bleaching with hydrogen peroxide?

7 / 20

7. In cellular respiration, which molecule is the primary electron carrier?

8 / 20

8. In the reaction , how do you balance the equation using the oxidation number method?

9 / 20

9. In the reaction , what type of reaction is this?

10 / 20

10. In the decomposition reaction , what type of reaction is this?

11 / 20

11. In the reaction , how do the oxidation numbers help balance the reaction?

12 / 20

12. In the compound (sulfurous acid), what is the oxidation number of sulfur (S)?

13 / 20

13. Which of the following is a common example of a reducing agent?

14 / 20

14. Which of the following elements undergoes oxidation by electron loss in the reaction ?

15 / 20

15. What was a major issue with defining oxidation and reduction solely based on oxygen and hydrogen?

16 / 20

16. In which type of reaction does oxidation occur due to the loss of hydrogen?

17 / 20

17. In the reaction , what happens to manganese?

18 / 20

18. Which metal can displace copper from a solution of copper sulfate ()?

19 / 20

19. In the reaction , what happens to copper?

20 / 20

20. In the reaction , what is the oxidation number of manganese before and after the reaction?

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: Redox Reactions 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. Where does glycolysis occur in the cell?

2 / 30

2. How does sodium hypochlorite () bleach clothes?

3 / 30

3. Where does glycolysis occur in a cell?

4 / 30

4. What is the function of an oxidizing agent in a redox reaction?

5 / 30

5. In the half-reaction , what is the role of electrons?

6 / 30

6. What is meant by variable oxidation states of an element?

7 / 30

7. Which of the following is an example of oxidation in terms of oxygen gain?

8 / 30

8. In the reaction , what type of reaction is this?

9 / 30

9. What is the first step in balancing a redox reaction using the oxidation number method?

10 / 30

10. Which of the following is commonly used as an oxidizing agent for bleaching?

11 / 30

11. Which of the following is the correct chemical formula for rust?

12 / 30

12. What is the overall cell potential (E°cell) in a galvanic cell made from zinc and copper half-cells?

13 / 30

13. In a galvanic cell with the following half-reactions: and , how would you represent this cell in notation?

14 / 30

14. Which of the following represents a redox reaction?

15 / 30

15. What is the next step after adding electrons to balance the oxidation numbers in a redox reaction?

16 / 30

16. What is formed in the reaction ?

17 / 30

17. If the standard electrode potential of the anode is -0.76 V and the cathode is 0.34 V, what is the standard EMF of the cell?

18 / 30

18. Why does the old definition of reduction in terms of hydrogen loss not work for all redox reactions?

19 / 30

19. In the reaction , what happens to copper?

20 / 30

20. How do oxidizing agents like chlorine and hydrogen peroxide affect the chemical structure of colored compounds?

21 / 30

21. What is the oxidation state of nitrogen in the compound (nitrous oxide)?

22 / 30

22. In the reaction , what type of reaction is this?

23 / 30

23. Which transition metal exhibits oxidation states from +2 to +7?

24 / 30

24. Which of the following is true about the limitations of the old definitions of oxidation and reduction?

25 / 30

25. In the reaction , how do the oxidation numbers of chromium change?

26 / 30

26. Which of the following elements is commonly involved in disproportionation reactions?

27 / 30

27. Which of the following is an example of a photochemical decomposition reaction?

28 / 30

28. In the reaction , what happens to copper?

29 / 30

29. What is a displacement reaction?

30 / 30

30. In the cell notation , which side of the cell is the anode?

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: Redox Reactions 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 of the following is the correct chemical formula for rust?

2 / 50

2. Which of the following ions is an example of a species with fractional oxidation states?

3 / 50

3. In the reaction where hydrogen peroxide is used as a bleaching agent, what is the main product after the oxidation of the pigment?

4 / 50

4. Which of the following statements about oxidizing and reducing agents is true?

5 / 50

5. What is the main characteristic of oxidation in terms of electron loss?

6 / 50

6. In the reaction , what type of reaction is this?

7 / 50

7. Which of the following is produced during the light-dependent reactions of photosynthesis?

8 / 50

8. What is the main difference between bleaching with chlorine and bleaching with hydrogen peroxide?

9 / 50

9. In the reaction , what is the change in the oxidation state of chlorine?

10 / 50

10. Which of the following is NOT an example of a displacement reaction?

11 / 50

11. How did the old definitions of oxidation and reduction limit the understanding of electron transfer?

12 / 50

12. Which of the following oxidizing agents is used for bleaching hair?

13 / 50

13. What happens to the oxidation state of an element when fractional oxidation states are observed in a compound?

14 / 50

14. In a galvanic cell, what happens to the metal at the anode?

15 / 50

15. What is the function of an oxidizing agent in a redox reaction?

16 / 50

16. Which of the following is NOT a common application of oxidizing agents in bleaching?

17 / 50

17. In a galvanic cell, if the standard electrode potential of the anode is -0.44 V and the cathode is +0.76 V, what is the EMF of the cell?

18 / 50

18. What is one of the main uses of bleaching powder (Ca(OCl)2)?

19 / 50

19. Which of the following is an example of a disproportionation reaction?

20 / 50

20. What is a comproportionation reaction?

21 / 50

21. Which of the following is the product of the reaction between chlorine gas and potassium bromide ()?

22 / 50

22. What is the final step in balancing a redox reaction using the oxidation number method?

23 / 50

23. Which of the following is true about comproportionation reactions?

24 / 50

24. What is the oxidation number of hydrogen in (sodium hydride)?

25 / 50

25. What is the oxidation state of sulfur in ?

26 / 50

26. In the reaction , how do you balance the electrons in the half-reaction?

27 / 50

27. What is the oxidation number of chlorine in ?

28 / 50

28. In a metal displacement reaction, what determines whether one metal can displace another from a compound?

29 / 50

29. Which of the following elements undergoes oxidation by electron loss in the reaction ?

30 / 50

30. How do you balance a redox reaction using the ion-electron method in acidic medium?

31 / 50

31. Which of the following is true about combination reactions?

32 / 50

32. Why was the old definition of oxidation (gain of oxygen) problematic for reactions where no oxygen is involved?

33 / 50

33. In a galvanic cell, what does a positive standard cell potential (E°cell) indicate?

34 / 50

34. Which of the following is a strong reducing agent?

35 / 50

35. Which of the following reactions demonstrates oxidation as electron loss?

36 / 50

36. Which of the following best describes the function of the anode in a redox reaction in a galvanic cell?

37 / 50

37. In which type of reaction does oxidation occur due to the loss of hydrogen?

38 / 50

38. What is the role of oxygen in bleaching with oxidizing agents like hydrogen peroxide?

39 / 50

39. In the redox reaction , how do the oxidation states of zinc and hydrogen change?

40 / 50

40. Which of the following compounds undergoes thermal decomposition?

41 / 50

41. What is the standard electrode potential (E°) of a half-cell in a galvanic cell?

42 / 50

42. In the reaction , how do the oxidation numbers help balance the reaction?

43 / 50

43. Which of the following statements is true about the reaction ?

44 / 50

44. Which of the following is an example of a disproportionation reaction involving sulfur?

45 / 50

45. Which of the following is a consequence of iron rusting?

46 / 50

46. Which of the following reactions is an example of a thermal decomposition reaction?

47 / 50

47. What is a displacement reaction?

48 / 50

48. What is a reducing agent?

49 / 50

49. In the compound , what is the oxidation number of sodium (Na)?

50 / 50

50. Which of the following compounds shows the fractional oxidation state of an element?

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

Your score is

Share your achievement!

LinkedIn Facebook
0%

Please provide your feedback.

Thank you for your valuable feedback.

Practice Redox Reactions MCQs
Download Class 11 Chemistry MCQ Study Bundle

Class 11 Chemistry — Chapter 8: Redox Reactions Online Test

The Class 11 Chemistry: Chapter 8 – Redox Reactions Online Test provides you with a comprehensive set of 376 MCQs, designed to assess your understanding of redox reactions, electron transfer processes, and related concepts. This test is completely free, NCERT/CBSE-aligned, and offers unlimited attempts for focused practice. Whether you’re preparing for your Class 11 exams, or studying for competitive exams like JEE or NEET, this test serves as an ideal mock exam to check your mastery of the topic.

Feeling a bit anxious before the exam? This page will help you practice Redox Reactions at your own pace. It’s like a mock exam you can take from home, using your phone or laptop. Each test attempt provides a real exam-like experience, allowing you to practice under timed conditions, review answers, and—if you pass Paper 3—receive a certificate. With every attempt, you’ll boost your confidence and refine your understanding of this critical chapter in Chemistry.

What is the Class 11 Chemistry: Redox Reactions Online Test?

This page includes three MCQ papers for Chapter 8: Redox Reactions:

  • 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 large pool of 376 MCQs
  • Paper 3 (Hard) — Challenge: 50 questions · 75 min · Pass 70% · Randomized from the same pool + Certificate on pass

Note: You will receive new question mixes in Paper 2 and Paper 3 with every attempt, ensuring fresh content every time. After submitting each test, you’ll get instant results with detailed explanations for the questions you answered incorrectly.

Topics covered in these online tests

The test covers all the key topics from Chapter 8: Redox Reactions, ensuring that you are fully prepared for your exams. The following topics are included:

  • Redox reactions — Concept, examples, and basic definitions
  • Oxidation and reduction — Electron transfer, change in oxidation states, and balancing reactions
  • Oxidizing and reducing agents — Properties and examples
  • Balancing redox reactions — Half-reaction method, oxidation number method
  • Electrochemical series — Standard electrode potentials and their significance
  • Applications of redox reactions — Electrolysis, corrosion, and oxidation-reduction in living organisms
  • Galvanic cells — Principle, construction, and working
  • Electrolytic cells — Faraday’s laws, applications in industry
  • Standard electrode potentials — Determination and their role in predicting reaction feasibility
  • Redox titrations — Use of redox reactions in determining unknown concentrations of solutions

If you’re looking for more practice, check out the Redox Reactions MCQs and the full Class 11 Chemistry MCQ Collection to expand your knowledge further.

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 earn a certificate.

What you’ll see during the test

  • MCQs: Each question will have four options: A, B, C, and D.
  • Timer on top: Paper 1: 30 min, Paper 2: 45 min, Paper 3: 75 min.
  • Pagination: Typically 10 questions per page (you can navigate through pages using the controls).
  • Navigation: Use the Next/Prev buttons or the question map to revisit any question before submitting.
  • View Result: After completing a paper, click View Result to see your score and review your answers.
  • Result Page: Shows score %, correct / incorrect / unanswered count, and provides a detailed review.
  • Restart: Click Restart Test to try again with a fresh set of questions.

Note: You can share your feedback on the result page after completing the test to help us improve the platform.

Marking & pass criteria

  • Scoring: +1 for each correct answer, 0 for incorrect answers (no negative marking).
  • Passing marks: Paper 1 — 40% • Paper 2 — 50% • Paper 3 — 70%.
  • Randomization: Paper 2 & 3 shuffle questions from a large pool of 376 questions on every attempt. Paper 1 has a fixed set.

Who can take this test?

  • Class 11 CBSE/NCERT students looking to practice and test their understanding of Redox Reactions.
  • JEE/NEET aspirants preparing for competitive exams and seeking a thorough revision of redox reactions.
  • Teachers and tutors needing pre-made chapter tests for assignments, quizzes, and quick assessments.
  • Students from other boards & countries preparing for exams that include redox reactions in their syllabus.
  • Competitive exam aspirants revising key redox reaction concepts for various entrance exams.

Advantages of this online test

  • Real exam feel: The test is timed, with pass percentages and automatic submission once the time is up.
  • Instant feedback: Get your results immediately and review correct/incorrect answers to understand where you need improvement.
  • Step-up difficulty: Start with Paper 1 (Easy), move to Paper 2 (Medium), and finish with Paper 3 (Hard) + certificate.
  • Unlimited attempts: Practice as much as you like with fresh randomized questions in Paper 2 and Paper 3.
  • Zero cost: This test is completely free. No signup or payment required to access the tests.

How this test helps you study better

  • Step 1 – Concept check: Attempt Paper 1 after reviewing the chapter to identify weak areas.
  • Step 2 – Reinforce learning: Attempt Paper 2 (randomized) to stabilize your knowledge of redox reactions and trends.
  • Step 3 – Exam readiness: Take Paper 3 under exam conditions to assess your overall performance.
  • Step 4 – Review: Review your results and focus on missed concepts. Maintain a log of weak areas.
  • Step 5 – Retake smartly: Re-attempt the test after a break to check your recall and progress.

Important notes (read before you start)

  • Do not refresh or close the tab during the test.
  • Best experience: Use a modern browser like Chrome or Edge with a stable internet connection.
  • Allow cookies and local storage for seamless progress tracking.
  • Safety: This test is 100% free, with no hidden charges or sign-ups required.

More practice for Class 11 Chemistry

After completing this online test, practice further with the complete Class 11 Chemistry Online Test Index or dive into other chapters from the Class 11 Chemistry MCQ Collection.

FAQs on Redox Reactions Online Test ▼

Subscribe
Notify of
guest
0 Comments

Related MCQs

Scroll to Top