Redox Reactions

JEE Advanced · Chemistry · 26 past questions

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1. Q2 2023 Paper 2

   H$_2$S (5 moles) reacts completely with acidified aqueous potassium permanganate solution. In this reaction…

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2. Q6 2021 Paper 2

   Ozonolysis of ClO$_2$ produces an oxide of chlorine. The average oxidation state of chlorine in this oxide is…

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3. Q8 2020 Paper 2

   In the chemical reaction between stoichiometric quantities of KMnO$_4$ and KI in weakly basic solution, what…

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4. Q9 2018 Paper 2

   To measure the quantity of MnCl$_2$ dissolved in an aqueous solution, it was completely converted to KMnO$_4$…

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5. Q10 2016 Paper 1

   In neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate…

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6. Q13 2014 Paper 1

   For the reaction…

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7. Q14 2014 Paper 1

   Consider the following list of reagents…

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8. Q16 2013 Paper 2

   The unbalanced chemical reactions given in List I show missing reagent or condition (?) which are provided in…

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9. Q18 2012 Paper 2

   Paragraph for Questions 29 and 30…

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10. Q20 2011 Paper 1

    Reaction of $\mathrm{Br_2}$ with $\mathrm{Na_2CO_3}$ in aqueous solution gives sodium bromide and sodium…

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11. Q21 2011 Paper 2

    Reduction of the metal centre in aqueous permanganate ion involves

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12. Q22 2010 Paper 2

    Among the following, the number of elements showing only one non-zero oxidation state is…

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13. Q23 2010 Paper 2

    All the compounds listed in Column I react with water. Match the result of the respective reactions with the…

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14. Q25 2007 Paper 2

    Among the following, identify the correct statement.

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15. Q26 2007 Paper 2

    Match the reactions in Column I with nature of the reactions/type of the products in Column II. Indicate your…

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