Question

A redox reaction is?

• A. Proton transfer reaction
• B. Ion combination reaction
• C. A reaction in solution
• D. Electron transfer reaction

Answer 1

The correct option is D Electron transfer reaction

Redox reaction involves the transfer of electrons between chemical species. The term Redox is contraction of the words Reduction and oxidation.

Oxidation involves loss of electron and reduction is gain of electron.

Oxidation and reduction always occur simultaneously in Redox reaction.

$Zn+C{u}^{2+}\to Z{n}^{2+}+Cu$

$Zn$ is getting oxidised from 0 to +2 and $Cu$ is getting reduced from +2 to 0.