Question

6) Define and give example
Redox reaction​

Answer 1

Redox reactions involve electron transfer; if one species gains electrons, another species,(or more than one species) must lose electrons.

For example:the redox reactions in which zine displaces copper in an aqueous solution of copper sulfate.

CuSO4(aq)+ Zn(s)---- ZnSO4 (aq)+Cu(s)

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Answer 2

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A redox reaction can be defined as a chemical reaction in which electrons are transferred between two reactants participating in it. This transfer of electrons can be identified by observing the changes in the oxidation states of the reacting species.Redox is a type of chemical reaction in which the oxidation states of atoms are changed. Redox reactions are characterized by the actual or formal transfer of electrons between chemical species, most often with one species undergoing oxidation while another species undergoes reduction