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Chemistry - Redox Reactions

Practise 54 NTA Abhyas (JEE Main) questions on Redox Reactions. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Redox Reactions has been asked in 0 of the 25 years of NTA Abhyas (JEE Main) papers analysed (2002–2026), with 54 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2026, with 0 questions that year. In the last three years (2024–2026) it had 0 questions across 49 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1Consider the following reaction x M n O 4 - + y C 2 O 4 2 - + z H + → x M n 2 + + 2 y C O 2 + z 2 H 2 O The values of x, y and z in the reac
  2. 2Which of the following combination of reagents does not undergo redox reaction in aqueous medium?
  3. 3Which of the following acts as an oxidising as well as reducing agent?
  4. 4Volume of 0.1 M K 2 C r 2 O 7 required to oxidize 35 mL of 0.5 M F e S O 4 solution is
  5. 5The combustion of sodium in excess air yields a higher oxide. What is the oxidation state of the oxygen in the product? Neglect the negative
  6. 6An alkali is titrated against an acid with methyl orange as indicator, which of the following is a correct combination?
  7. 70 .1 M K M n O 4 is used for following titration. What volume of the solution in mL will be required to react with 0 .158 g of N a 2 S 2 O 3
  8. 8In the complex K 4 [ T h C 2 O 4 2 H 2 O 2 ] . If coordination number is X and oxidation number of Th is Y. The sum of X + Y is?
  9. 95 mol of F e 2 ( C 2 O 4 ) 3 is oxidised by x mol of K 2 C r 2 O 7 in acidic medium, calculate the value of X ?
  10. 10Which of the following ionic/molecular species does not disproportionate in water at room temperature?
  11. 11Which of the following ionic/molecular species does not disproportionate in water at room temperature?
  12. 12K M n O 4 reacts with KI , in basic medium to form I 2 and M n O 2 . When 250 mL of 0.1 M K I solution is mtextxed with 250 mL of 0.02 M K M
  13. 13The colour change of an indicator HIn in acid base titrations is given below Which of the following statement is correct?
  14. 14Calculate the amount of calcium oxide (in grams) required when it reacts with 852 g of P 4 O 10 .
  15. 15A metal oxide has the formula Z 2 O 3 . It can be reduced by hydrogen to give free metal and water. 0.1596 g of the metal oxide requires 6 m
  16. 16Select the nature or type of redox change in the following reaction:- C l 2 → C l O - + C l -
  17. 17Which of the following acts as both reducing and oxidising agents?
  18. 18Find out the compounds that will disproportionate in their aqueous solution. I ClO 4 - ⁡ → + 0.36 V ClO 3 - ⁡ → + 0.33 V C l O 2 → + 0.66 V
  19. 19Product (X and Y) of the following reactions (1 and 2) are (1) 2 N a O H ( Cold and dilute ) + C l 2 → N a C l + X + H 2 O (2) 6 N a O H ( H
  20. 20A quantity of electricity required to reduce 12.3 g of nitrobenzene to aniline arising 50% current efficiency is
  21. 21Aqueous solution of orthoboric acid can be titrated against sodium hydroxide using phenolphthalein indicator only in presence of:
  22. 22All the following species are strong oxidizing agents. Their strength as oxidizing agents in acidic solution is such that
  23. 23A redox reaction always involves
  24. 24A 100 m l solution of 0.1 N - H C l was titrated with 0.2 N - N a O H solution. The titration was discontinued after adding 30 m l of N a O
  25. 25The electrode potential, E ° , for the reduction of M n O 4 - to M n 2 + in acidic medium is +1.51 V. Which of the following metal(s) will b
  26. 26To a 25 mL H 2 O 2 solution, excess of acidified solution of potassium iodide was added. The iodine liberated required 20 mL of 0.3 N sodium
  27. 27Find out the % of oxalate ion in given sample of oxalate salt of which 0 . 3 g is present in 100 mL of solution required 90 m L of N / 20 K
  28. 28In the mixture of N a 2 C O 3 + N a H C O 3 volume of H C l required is x m L with phenolphthalein indicator and y m L with methyl orange in
  29. 29An equal volume of a reducing agent is titrated separately with 1 M KMnO 4 in acid, neutral and alkaline medium. The volumes of KMnO 4 requi
  30. 30Equal masses of methane and ethane have their total translational kinetic energy in the ratio 3 : 1, then their temperatures are in the rati
  31. 31For the reaction: I - + C l O 3 - + H 2 S O 4 → C l - + H S O 4 - + I 2 The correct statement(s) in the balanced equation is/are (1) Stiochi
  32. 320.2 g sample of benzoic acid, C 6 H 5 C O O H is titrated with 0.12 M Ba O H 2 solution. What volume of B a ( O H ) 2 solution is required t
  33. 331.5 gm sample of bleaching powder was suspended in water. It was treated with C H 3 C O O H followed by the addition of excess of KI. The li
  34. 3425 m L of household bleach solution was mixed with 30 m L of 0.50 M K I and 10 m L of 4 N acetic acid. In the titration of the liberated iod
  35. 35The redox reaction among the following is
  36. 36A 2.0 g sample of a mixture containing sodium carbonate, sodium bicarbonate and sodium sulphate is gently heated till the evolution of CO 2
  37. 37Find the values of x , y , z in the given balanced equation H 2 S O 4 + x H I → H 2 S + y I 2 + z H 2 O ,
  38. 382.56 × 10 - 3 equivalent of KOH is required to neutralise 0 .12544 g H 2 XO 4 . The atomic mass of X (in g/mol ) is: [Given: H 2 XO 4 is a d
  39. 39The table below gives the results of three titrations carried out with 0.200 M HCl to determine the molarity of a given NaOH solution using
  40. 40A compound contains three elements X, Y and Z. The oxidation number of X, Y and Z are + 3 , + 5 and - 2 respectively. The possible formula o
  41. 41The unbalanced equation for the reaction of P 4 S 3 with nitrate in aqueous acidic medium is given below. P 4 S 3 + N O 3 - → H 3 P O 4 + S
  42. 421 mole of equimolar mixture of Fe 2 (C 2 O 4 ) 3 and FeC 2 O 4 requires X moles of KMnO 4 in acid medium for complete reaciton. The value of
  43. 43Hydrogen peroxide solution (20 mL) reacts quantitatively with a solution of KMnO 4 (20 mL) acidified with dilute H 2 SO 4 . The same volume
  44. 44What is the value of n in the following half equation, Cr(OH) 4 + OH CrO 4 2 + H 2 O + ne ?
  45. 45How many millilitres of 0 .5 M H 2 SO 4 are needed to dissolve 0 .5 g of copper(II)carbonate? Report your answer by rounding it up to neares
  46. 462.68 × 10 − 3 moles of a solution containing an ion A n+ require 1 .61 × 10 − 1 moles of MnO 4 - ion for the oxidation of A n+ to AO 3 - in
  47. 47In acidiic medium Zn reduces nitrate ion to N H 4 + ion according to the reaction Zn + NO 3 Zn 2+ + NH 4 + + H 2 O (unbalanced) How many mol
  48. 48The oxidation states of Cr in [ C r H 2 O ) 6 C l 3 , [ C r C 6 H 6 ) 2 and K 2 [ C r ( C N ) 2 O ) 2 O 2 N H 3 respectively are
  49. 49Equivalent weight of K M n O 4 when it is convect into M n S O 4 is Where M = molar mass of K M n O 4 .
  50. 50Match the compounds given in column I with oxidation states of carbon given in column II and mark the appropriate choice. Column I Column II

Frequently Asked Questions

1.How many questions are available for Redox Reactions?

This chapter includes 54 NTA Abhyas (JEE Main) questions.

2.Are these questions only from NTA Abhyas (JEE Main), or from other exams too?

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

3.What is the difficulty level of Redox Reactions questions in NTA Abhyas (JEE Main)?

Of the 54 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2026 had the most, with 0 questions.

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

All of this chapter's questions come from a single topic: Uncategorized.