Q. Bleaching action of $SO_{2}$ is due to
A) Reduction
B) Hydrolysis
C) Oxidation
D) Acidic nature
Explanation
(a)
$2H_{2}O + SO_{2} \rightarrow H_{2}SO_{4} + 2\lbrack H\rbrack$
[nascent hydrogen]
Coloured flower $+ \ 2\lbrack H\rbrack \rightarrow$ Colourless flower
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.