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Redox Reactions Questions

Practice 23 Redox Reactions questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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23
Total Questions
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4
Easy
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17
Medium
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2
Hard
Practice by Exam:Chemistry(21)CHEMISTRY(2)

About Redox Reactions — practice questions, PYQs & concepts

Redox Reactions is a frequently-tested topic on Chemistry, CHEMISTRY. ExamTest.live currently lists 23 Redox Reactions questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Redox Reactions weight in competitive exams

Across our Redox Reactions question bank, the largest sources are Chemistry (21) and CHEMISTRY (2). Click any exam chip above to drill down to that exam-specific question set.

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All Redox Reactions Questions(1–23 of 23)

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Q1mediummcqChemistryAIEEE2026
0% accuracy
The oxidation state of chromium in the final product formed by the reaction between and acidified potassium dichromate solution is:
Q2easymcqChemistryAIEEE 20062026
0% accuracy
Which of the following chemical reactions depicts the oxidizing behaviour of ?
Q3mediummcqChemistryNEET 20192026
0% accuracy
Which of the following reactions are disproportionation reaction?(a) (b) (c) (d) Select the correct option from the following:
Q4mediummcqChemistryNEET (UG) 20182026
For the redox reaction: The correct coefficients of the reactants for the balanced equation are:
Q5mediummcqChemistryJEE Main2026
Consider the following reaction:

The values of and in the reaction are, respectively:
Q6mediummcqChemistryAIEEE 20122026
The standard reduction potentials for , , and are , and respectively. The reaction will be spontaneous when:
Q7mediummcqChemistryAIEEE2026
Amount of oxalic acid present in a solution can be determined by its titration with solution in the presence of . The titration gives unsatisfactory results when carried out in the presence of because :
Q8mediummcqChemistryAIEEE 20042026
Excess reacts with solution and then solution is added to it. Which of the following statements is incorrect for this reaction?
Q9easymcqChemistryNEET (UG) 20242026
Which of the following reactions is NOT a redox reaction?
Q10mediummcqChemistryNEET 2020 E12026
What is the change in oxidation number of carbon in the following reaction?
Q11mediummcqCHEMISTRYNEET 20192026
The oxidation state of in is:
Q12mediummcqCHEMISTRYNEET 20192026
When neutral or faintly alkaline is treated with potassium iodide, iodide ion is converted into 'X'. 'X' is:
Q13hardmcqChemistryNEET (UG) 20182026
Consider the change in oxidation state of Bromine corresponding to different emf values: The species undergoing disproportionation is:
Q14mediummcqChemistryNEET (UG) 20182026
The correct order of N-compounds in its decreasing order of oxidation states is:
Q15easymcqChemistryChemistry
0% accuracy
Consider the following compounds: , and . The oxidation states of the underlined elements in them are, respectively:
Q16hardmcqChemistryChemistry
Assuming complete ionization, same moles of which of the following compounds will require the least amount of acidified for complete oxidation?
Q17mediummcqChemistryChemistry
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?
Q18mediummcqChemistryChemistry
In which of the following compounds, nitrogen exhibits highest oxidation state?
Q19mediummcqChemistryChemistry
A solution contains , and ions. It was treated with iodine at . for and for . The favourable redox reaction is:
Q20easymcqChemistryChemistry
Oxidation numbers of in , of in and that of in , are respectively:
Q21mediummcqChemistryChemistry
Number of moles of required to oxidize one mole of ferrous oxalate completely in acidic medium will be:
Q22mediummcqChemistryChemistry
The number of moles of that will be needed to react with one mole of sulphite ion in acidic solution is:
Q23mediummcqChemistryChemistry
In the balanced chemical reaction and respectively corresponds to:

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