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Chemistry - Redox Reactions

Practise 27 KCET previous year questions on Redox Reactions, compiled from papers spanning 2007 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KCET tests.

Redox Reactions has been asked in 16 of the 20 years of KCET papers analysed (2007–2026), with 27 questions in all. 33% of them were easy, 67% moderate and 0% tough. Most of its questions came from 2025, with 3 questions that year. In the last three years (2024–2026) it had 5 questions across 3 papers, about 1.7 per paper.

The chapter's 6 topics are not weighted equally: Oxidation and Reduction Reactions (8 questions, 30%), Equivalence concept (6 questions, 22%), and Balancing of redox reactions (4 questions, 15%) have been asked the most. Oxidation and Reduction Reactions has also led over the last five years, with 3 questions.

  1. 1Given below are two statements. Statement-I: In , each oxygen atom is assigned an oxidation number of , in each oxygen atom is assigned an o2026Oxidation number
  2. 2and respectively are2026Balancing of redox reactions
  3. 3Match List-I with List-II {array}{|l|l|l|l|} & {List-I (Types of redox reactions)} & & {List-II (Examples)} \\ {a}. & {Combination reaction}2025Types of redox reactions
  4. 4In the reaction between hydrogen sulphide and acidified permanganate solution,2025Oxidation and Reduction Reactions
  5. 5In the titration of potassium permanganate against Ferrous ammonium sulphate (FAS) solution, dilute sulphuric acid but not nitric acid is us2025Oxidation and Reduction Reactions
  6. 6What is the oxidation number of in ?2023Oxidation number
  7. 7The reducing agent in the given equations2023Oxidation and Reduction Reactions
  8. 8and respectively are2023Balancing of redox reactions
  9. 9In which of the following compounds, an element exhibits two different oxidation states?2022Oxidation number
  10. 10Which of the following is not true for oxidation?2021Oxidation and Reduction Reactions
  11. 11The oxidation number of nitrogen atoms in are2020Oxidation number
  12. 12The metal that produce with both dil. and is2020Oxidation and Reduction Reactions
  13. 13If an aqueous solution of is electrolysed between inert electrodes, the product obtained at anode is2020Oxidation and Reduction Reactions
  14. 14The number of moles of electron required to reduce \( 0.2 \) mole of \( {Cr}_{2} {O}_{7}^{-2} \) to \( {Cr}^{+3} \)2019Equivalence concept
  15. 15Which of the following statement is correct?2019Oxidation and Reduction Reactions
  16. 16For the redox reaction \( {xMnO}_{4}^{-}+ {yH}_{2} {C}_{2} {O}_{4}+ {zH}^{+} {mMn}^{2+}+ {nCO}_{2}+ {pH}_{2} {O} \) The values of \( {x}, {y2018Balancing of redox reactions
  17. 17Reduction of ketones cannot be carried outwith which of the following reagents ?2017Types of redox reactions
  18. 18For an ideal binary liquid mixture2014Equivalence concept
  19. 19In the reaction, the oxidising agent is2013Oxidation and Reduction Reactions
  20. 20The volume of oxalic acid that can be completely oxidized by of solution is2012Redox titration
  21. 21The equivalent mass of a certain bivalent metal is 20 . The molecular mass of its anhydrous chloride is2012Equivalence concept
  22. 22of is titrated against solution. The titration was discontinued after adding of . The remaining titration is completed by adding . The volum2011Redox titration
  23. 23of is titrated against solution. The titration is discontinued after adding of . The remaining titration is completed by adding . The volume2010Redox titration
  24. 24A bivalent metal has an equivalent mass of 32 . The molecular mass of the metal nitrate is2009Equivalence concept
  25. 25In the ionic equation the values of is2007Balancing of redox reactions
  26. 26What is the equivalent weight of in the following reaction ?2007Equivalence concept
  27. 27An oxide of the element contains by weight. Calculate the equivalent weight of the element.2007Equivalence concept

Frequently Asked Questions

1.How many questions are available for Redox Reactions?

This chapter includes 27 questions compiled from KCET papers spanning 2007 to 2026.

2.Are these questions only from KCET, or from other exams too?

These are KCET questions specifically for the Redox Reactions chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Redox Reactions an important chapter for KCET Chemistry?

Redox Reactions has appeared in 16 of the 20 years of KCET papers covered here, with 27 questions across 16 papers - about 2 per paper it appears in.

4.What is the difficulty level of Redox Reactions questions in KCET?

Of the 27 questions analysed for this chapter, 33% are easy, 67% moderate and 0% tough. 2025 had the most, with 3 questions.

5.Which topics in Redox Reactions should I focus on?

These topics have carried the most weightage in Redox Reactions:

  • Oxidation and Reduction Reactions - 8 questions (30%)
  • Equivalence concept - 6 questions (22%)
  • Balancing of redox reactions - 4 questions (15%)
6.Is Redox Reactions's weightage in KCET going up or down?

Across all 16 papers analysed, Redox Reactions has averaged about 1.7 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 1.7 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.