P-Block Elements Ques 498
Question: Bleaching action of $ SO_2 $ is due to its
[CPMT 2004]
Options:
A) Oxidising property
B) Acidic property
C) Basic property
D) Reducing property
Show Answer
Answer:
Correct Answer: D
Solution:
$ SO_2 $ act as bleaching agent due to its reducing property. $ SO_2+2H_2O\to H_2SO_4+2H $ Coloured matter +H $ \to $ Colourless matter