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Question Bank (Solutions): Redox Reactions | Chemistry Class 11 - NEET PDF Download

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FAQs on Question Bank (Solutions): Redox Reactions - Chemistry Class 11 - NEET

1. What is a redox reaction?
Ans. A redox reaction, also known as an oxidation-reduction reaction, is a chemical reaction in which there is a transfer of electrons between two species. One species undergoes oxidation (loses electrons) while the other undergoes reduction (gains electrons). This transfer of electrons allows for the conversion of chemical energy into electrical energy.
2. How can redox reactions be identified?
Ans. Redox reactions can be identified by the change in oxidation states of the species involved. Oxidation involves an increase in the oxidation state, while reduction involves a decrease in the oxidation state. By comparing the oxidation states of the reactants and products, one can determine if a redox reaction has occurred.
3. What are some examples of redox reactions?
Ans. Some common examples of redox reactions include the combustion of fuels (such as the burning of gasoline or wood), the rusting of iron, and the reactions that occur in batteries. In these reactions, there is a transfer of electrons from one species to another, resulting in a change in their oxidation states.
4. How can redox reactions be balanced?
Ans. Redox reactions can be balanced by using the method of half-reactions. First, the reaction is split into two half-reactions, one representing the oxidation process and the other representing the reduction process. The number of electrons transferred in each half-reaction is balanced, and then the half-reactions are combined to give the balanced overall redox reaction.
5. What is the importance of redox reactions in everyday life?
Ans. Redox reactions play a crucial role in everyday life. They are involved in processes such as respiration, photosynthesis, and digestion. Redox reactions are also used in various industrial processes, such as the production of metals, the generation of electricity in batteries, and the treatment of wastewater. Understanding redox reactions is essential in fields like chemistry, biology, and environmental science.
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