Question

The bleaching action of chlorine is due to

• A. Reduction
• B. Hydrogenation
• C. Chlorination
• D. Oxidation

Answer 1

Answer: (D)

Oxidation

Answer 2

Bleaching action of $Cl_2$ is due to oxidation
${Cl_2 + H_2O -> 2HCl + [O]}$
Colour + [O] $\rightarrow$ Oxidised colour $(colourless)$