Question

What do you understand by the term Redox reaction?

Answer 1

• Redox reaction is a chemical reaction in which electrons are transferred between two reactants participating in it. It can be observed by changes in the oxidation state of reacting species.
• All redox reaction can be broken down into two processes, oxidation and reduction.
• The substance getting reduced in a chemical reaction is known as Oxidising agent.
• The substance which is getting oxidised is known as reducing agent.

$\underset{\mathrm{Aluminium}}{\underset{}{\stackrel{\left(0\right)}{\stackrel{}{4\mathrm{A}}}\mathrm{l}}}+3\underset{\mathrm{Oxygen}}{\underset{}{\stackrel{\left(0\right)}{\stackrel{}{{\mathrm{O}}_2}}}}\to \underset{\mathrm{Aluminium}\mathrm{oxide}}{\underset{}{\stackrel{+3}{\stackrel{}{2\mathrm{Al}{}_2}}{\mathrm{O}}_3}}$