Exam-Style Online Test | Class 11 Chemistry: Redox Reactions
GK Aim: A Treasure of MCQs

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 Twitter
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. What is the role of oxygen in the rusting of iron?

2 / 30

2. What is the oxidation number of phosphorus in (phosphorus trichloride)?

3 / 30

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

4 / 30

4. What is the driving force behind displacement reactions?

5 / 30

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

6 / 30

6. In the reaction , which substance is the reducing agent?

7 / 30

7. In the decomposition of hydrogen peroxide, what type of reaction is occurring?

8 / 30

8. In the compound , what is the oxidation number of potassium (K)?

9 / 30

9. What is the oxidation number of hydrogen in ?

10 / 30

10. In which of the following reactions does copper undergo oxidation as electron loss?

11 / 30

11. Where does glycolysis occur in a cell?

12 / 30

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

13 / 30

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

14 / 30

14. What is the main purpose of the ion-electron method in balancing redox reactions?

15 / 30

15. In the cell notation for a zinc-copper galvanic cell, which of the following is correct?

16 / 30

16. Which of the following statements is true about decomposition reactions?

17 / 30

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

18 / 30

18. What is the function of the salt bridge in a galvanic cell?

19 / 30

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

20 / 30

20. What is the oxidation state of sulfur in ?

21 / 30

21. In which part of the cell does oxidative phosphorylation take place?

22 / 30

22. How is the oxidation number useful in balancing redox reactions?

23 / 30

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

24 / 30

24. Which of the following reactions is a combination reaction involving two compounds?

25 / 30

25. What is the oxidation number of chlorine in ?

26 / 30

26. Which of the following correctly describes the flow of electrons in a galvanic cell?

27 / 30

27. In the reaction , which substance is the oxidizing agent?

28 / 30

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

29 / 30

29. What is the role of water in the rusting of iron?

30 / 30

30. How many molecules of ATP are produced from one molecule of glucose during aerobic respiration?

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: 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 statements about the electron transport chain in cellular respiration is true?

2 / 50

2. Why is hydrogen peroxide considered a safer alternative to chlorine for bleaching purposes?

3 / 50

3. What happens to an element when it is reduced in terms of electron gain?

4 / 50

4. What is the primary source of energy for plants during photosynthesis?

5 / 50

5. What is the role of the salt bridge in a galvanic cell, as shown in cell notation?

6 / 50

6. What is a galvanic cell?

7 / 50

7. Which of the following processes occurs in the mitochondria and produces the most ATP?

8 / 50

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

9 / 50

9. What is the oxidation number of magnesium in ?

10 / 50

10. After identifying the changes in oxidation numbers, what is the next step in balancing a redox reaction using the oxidation number method?

11 / 50

11. Where does the light-dependent reaction of photosynthesis take place?

12 / 50

12. What is the standard electrode potential of the standard hydrogen electrode (SHE)?

13 / 50

13. In the reaction , how is the oxidation state of copper (Cu) changing?

14 / 50

14. In a combination reaction, how many products are formed?

15 / 50

15. Which of the following substances can act as both an oxidizing agent and a reducing agent?

16 / 50

16. What type of energy is typically required for a decomposition reaction to occur?

17 / 50

17. In the decomposition of hydrogen peroxide, what type of reaction is occurring?

18 / 50

18. In photosynthesis, what is the energy source that plants use to produce glucose?

19 / 50

19. Which of the following represents a redox reaction?

20 / 50

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

21 / 50

21. How does sodium hypochlorite () bleach clothes?

22 / 50

22. In the reaction , how do you balance the charge?

23 / 50

23. What is a reducing agent?

24 / 50

24. Which of the following is an example of oxidation in terms of hydrogen loss?

25 / 50

25. What is a displacement reaction?

26 / 50

26. What is a disproportionation reaction?

27 / 50

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

28 / 50

28. Where does glycolysis occur in the cell?

29 / 50

29. In a galvanic cell, what happens to the electrons that are released at the anode during oxidation?

30 / 50

30. What is the oxidation number of oxygen in (hydrogen peroxide)?

31 / 50

31. Which of the following processes occurs in the mitochondria and is involved in the production of ATP?

32 / 50

32. What is the main purpose of the ion-electron method in balancing redox reactions?

33 / 50

33. What is the primary chemical reaction involved in the rusting of iron?

34 / 50

34. What happens to the metal at the cathode in a galvanic cell during a redox reaction?

35 / 50

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

36 / 50

36. What is the primary purpose of cellular respiration in organisms?

37 / 50

37. What happens when the EMF of a cell is negative?

38 / 50

38. In the bleaching of paper, which of the following is the role of chlorine dioxide ()?

39 / 50

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

40 / 50

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

41 / 50

41. In which of the following reactions is oxidation occurring due to the gain of oxygen?

42 / 50

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

43 / 50

43. What is the oxidation state of gold in (gold(III) chloride)?

44 / 50

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

45 / 50

45. Which of the following reactions is an example of a combination reaction between a metal and a non-metal?

46 / 50

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

47 / 50

47. In the compound (dichromate ion), what is the fractional oxidation state of chromium?

48 / 50

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

49 / 50

49. Why do fractional oxidation states occur in coordination compounds?

50 / 50

50. In the reaction , what happens to oxygen in hydrogen peroxide?

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.

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
Inline Feedbacks
View all comments

Related MCQs

Scroll to Top