Redox reaction

 Redox Reaction:


A redox reaction (reduction-oxidation reaction) is a chemical reaction that involves the transfer of electrons between two species. It consists of two half-reactions:


1. Oxidation: Loss of electrons (increase in oxidation state)

2. Reduction: Gain of electrons (decrease in oxidation state)


Key Points:


1. Redox reactions involve electron transfer.

2. Oxidation and reduction occur simultaneously.

3. Redox reactions are essential in various processes, including energy production, corrosion, and biological systems.


Examples:


1. Combustion reactions (e.g., burning of fuels)

2. Metal displacement reactions (e.g., Zn + Cu²⁺ → Zn²⁺ + Cu)

3. Biological processes (e.g., cellular respiration)


Applications:


1. Batteries and fuel cells

2. Electroplating and corrosion protection

3. Biological energy production (e.g., photosynthesis, respiration)

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