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Class 11 Chemistry Chapter 8: Redox Reactions
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Class 11 Chemistry Chapter 8: Redox Reactions

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Questions and Answers

Which method can be used to balance redox equations?

  • Ionic bonding method
  • Ion-electron method (correct)
  • Reduction-oxidation method
  • Electrochemical method
  • What is the primary purpose of a reducing agent in a redox reaction?

  • To lose electrons
  • To cause oxidation
  • To gain electrons (correct)
  • To act as a catalyst
  • In an electrolytic cell, what drives the non-spontaneous reactions?

  • Increase in temperature
  • Chemical catalysts
  • Electrical energy (correct)
  • Water molecules
  • Which type of cell converts chemical energy into electrical energy?

    <p>Galvanic cell</p> Signup and view all the answers

    What is the key process discussed in relation to metal corrosion?

    <p>Oxidation</p> Signup and view all the answers

    Which part of an electrochemical cell allows ions to move between the two half-cells?

    <p>Salt bridge</p> Signup and view all the answers

    Study Notes

    Redox Equations

    • The half-reaction method is commonly used to balance redox equations by separating oxidation and reduction processes.

    Reducing Agent

    • A reducing agent serves to donate electrons in a redox reaction, facilitating the reduction of another substance while itself getting oxidized.

    Electrolytic Cell

    • In an electrolytic cell, external electric energy drives non-spontaneous reactions, allowing the conversion of electrical energy into chemical energy.

    Cell Types

    • Galvanic (or voltaic) cells convert chemical energy into electrical energy, providing power through spontaneous reactions.

    Metal Corrosion

    • The key process related to metal corrosion involves oxidation reactions leading to the deterioration of metals when they react with environmental factors.

    Ion Movement in Electrochemical Cells

    • The salt bridge in an electrochemical cell allows ions to move between the two half-cells, maintaining charge balance and enabling continuous flow of current.

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    Quiz Team

    Description

    Test your knowledge on redox reactions with this quiz covering key points from Chapter 8 of Class 11 Chemistry. Topics include introduction to redox reactions, balancing redox equations, electron transfer, oxidizing agents, and reducing agents.

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