Class 11 Redox Reactions Quiz

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Questions and Answers

What is the process that involves the transfer of electrons from one substance to another?

  • Decomposition reaction
  • Single displacement reaction
  • Oxidation-reduction reaction (correct)
  • Combustion reaction

Which of the following is an example of a redox reaction?

  • Acid-base neutralization
  • Combustion of propane
  • Rusting of iron (correct)
  • Dissolution of salt in water

What is the reducing agent in the reaction: 2HCl + Zn → ZnCl2 + H2?

  • Zinc chloride (ZnCl2)
  • Zinc (Zn) (correct)
  • Hydrochloric acid (HCl)
  • Hydrogen gas (H2)

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Study Notes

Redox Reactions

  • Redox reaction involves the transfer of electrons from one substance to another.

Examples of Redox Reactions

  • Combustion reactions, corrosion reactions, and photosynthesis are all examples of redox reactions.

Reducing Agent

  • In the reaction 2HCl + Zn → ZnCl2 + H2, Zn is the reducing agent.

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