Q. Chlorine acts as a bleaching agent only is presence of
A) Dry air
B) Moisture
C) Sunlight
D) Pure oxygen
Explanation
(b)
Bleaching action of $Cl_{2}$ is only in presence of moisture where nascent oxygen is displaced from $H_{2}O$
$Cl_{2} + H_{2}O \rightarrow HCl + HClO$
$HClO \rightarrow HCl + \lbrack O\rbrack$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.