Question

What is redox reaction?

Answer 1

the reaction in which oxidation and reduction takes place simultaneously is called redox reaction 

Answer 2

In this reaction oxidation and reduction takes place between reactants.

Oxidation: Gain of oxygen, loss of hydrogen

Reduction: Loss of oxygen, gain of hydrogen

Example: CuO+H2o-> Cu+H2o

CuO->Cu (reduction) H2->H2o (oxidation)

CuO is oxidising agent

H2 is reducing agent

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