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Chemistry · JEE

Important Questions: Redox Reactions and Electrochemistry for JEE

27+ syllabus-aligned questions available

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The most important Redox Reactions and Electrochemistry questions for JEE cover conceptual traps, standard results, and numerical patterns from Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number and balancing of redox reactions, Electrolytic and metallic conduction, conductance in electrolytic solutions, molar conductivities and their variation with concentration, Kohlrausch's law and its applications, Electrochemical cells: Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half-cell and cell reactions, Emf of a Galvanic cell and its measurement, Nernst equation and its applications, relationship between cell potential and Gibbs' energy change, and more. Goodmarks provides 27+ high-yield MCQs with full solutions.

Focus on what matters most. These important Redox Reactions and Electrochemistry questions cover high-weightage concepts from Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number and balancing of redox reactions, Electrolytic and metallic conduction, conductance in electrolytic solutions, molar conductivities and their variation with concentration, Kohlrausch's law and its applications, Electrochemical cells: Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half-cell and cell reactions, Emf of a Galvanic cell and its measurement, Nernst equation and its applications, relationship between cell potential and Gibbs' energy change, and more — the topics JEE repeats every year.

Subtopics in Redox Reactions and Electrochemistry

  • Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number and balancing of redox reactions
  • Electrolytic and metallic conduction, conductance in electrolytic solutions, molar conductivities and their variation with concentration, Kohlrausch's law and its applications
  • Electrochemical cells: Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half-cell and cell reactions
  • Emf of a Galvanic cell and its measurement, Nernst equation and its applications, relationship between cell potential and Gibbs' energy change
  • Dry cell and lead accumulator, fuel cells

Free sample questions

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Q1ChemistryUnit 7: Redox Reactions and Electrochemistry
An oxidation process involves:
Q2ChemistryUnit 7: Redox Reactions and Electrochemistry
The reaction that takes place when Cl2C l_{2} gas is passed through conc. NaOH solution is :
Q3ChemistryUnit 7: Redox Reactions and Electrochemistry
In the atmosphere of industrial smog, copper corrodes to form: This question has multiple correct options
Q4ChemistryUnit 7: Redox Reactions and Electrochemistry
A half cell reaction is one which:
Q5ChemistryUnit 7: Redox Reactions and Electrochemistry
Identity the compound in which phosphorus exists in the oxidation state of +1
Q6ChemistryUnit 7: Redox Reactions and Electrochemistry
The resistance of 1N1 \mathrm{N} solution of acetic acid is 250Ω250 \Omega when measured in a cell having a cell constant of 1.15cm−1.1.15 \mathrm{cm}^{-1} . The equivalent conduction (in oh m−1cm2equiv−1m^{-1} c m^{2} e q u i v^{-1} ) of 1N1 N acetic acid is
Q7ChemistryUnit 7: Redox Reactions and Electrochemistry
Primary battery is a battery:
Q8ChemistryUnit 7: Redox Reactions and Electrochemistry
One mole of HNO3H N O_{3} absorbs 5 moles of electrons in a redox reaction. The reduced product of this reaction is :

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Frequently asked questions

What makes a Redox Reactions and Electrochemistry question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Redox Reactions and Electrochemistry are high-weightage?

Key areas include Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number and balancing of redox reactions, Electrolytic and metallic conduction, conductance in electrolytic solutions, molar conductivities and their variation with concentration, Kohlrausch's law and its applications, Electrochemical cells: Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half-cell and cell reactions, Emf of a Galvanic cell and its measurement, Nernst equation and its applications, relationship between cell potential and Gibbs' energy change, and more. Prioritise these before moving to edge cases.

How many important questions should I revise?

Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

Can I practise only important questions on Goodmarks?

Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.

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