Redox reactions involve the transfer of electrons between reactants from "summary" of Chemistry Simplified NCERT Class 11 by Sanjay Sharma
In redox reactions, the transfer of electrons between reactants is a key aspect to understand. This transfer of electrons occurs between two species: one that loses electrons (oxidation) and one that gains electrons (reduction). This exchange of electrons results in changes in the oxidation states of the elements involved. Oxidation involves the loss of electrons by a species, leading to an increase in its oxidation state. This species is known as the reducing agent as it causes the reduction of another species. On the other hand, reduction involves the gain of electrons by a species, resulting in a decrease in its oxidation state. This species is termed as the oxidizing agent as it causes the oxidation of another species. The reactant that gets oxidized is the reducing agent, while the reactant that gets reduced is the oxidizing agent. It is important to note that redox reactions always occur in pairs: one species undergoes oxidation while the other undergoes reduction, and both processes happen simultaneously. The transfer of electrons in redox reactions is crucial for maintaining charge balance. For every electron lost during oxidation, an electron must be gained during reduction to ensure that the overall charge remains balanced. This transfer of electrons allows for the formation of new compounds with different chemical properties than the reactants. Understanding redox reactions and the transfer of electrons between reactants is essential in various chemical processes, such as corrosion, combustion, and electrolysis. By grasping the concept of electron transfer in redox reactions, one can interpret and predict the outcomes of chemical reactions more effectively.
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