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



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