What is the reaction called when oxidation and reduction take place simultaneously ? Explain with one example.

What is the reaction called when oxidation and reduction take place si

1.	What is the reaction called when oxidation and reduction take place simultaneously ? Explain with one example.
Answer» Solution :The REACTION whichinvolvessimultaneous oxidation and reduction is called an oxidation-reduction or redox reaction. In a redox reaction, one reactant gets oxidised while the other gets reduced during a reaction. Redox reaction = Reduction + Oxidation In redox reaction, the reductant is oxidised by the oxidant and the oxidant is reduced by the reductant. Example : `CuO_((s)) + H_(2(g)) + H_(2)O` In this reaction, oxygen is removed from copper oxide therefore it is a reduction of CUO, while hydrogen accepts oxygen to form water that means oxidation of hydrogen take place. THus oxidation and reduction reactions occur simultaneously. Other examples of redox reactions : `underset("Hydrogen")(2H_(2)S) + underset("sulphide")(SO_(2)) tounderset("SULPHUR")(3S) + 2H_(2)O` `underset("Manganese dioxide")(MnO_(2))+4HCl to underset("Manganese CHLORIDE")(MNCl_(2))+2H_(2)O+Cl_(2)uparrow`