MCQ
Bleaching action of $S{O_2}$ is due to its
- AOxidising property and nitrogen
- BAcidic property
- CBasic property
- ✓Reducing property
✓
Answer
Correct option: D.
Reducing property
d
(d) $S{O_2}$ act as bleaching agent due to its reducing property.
(d) $S{O_2}$ act as bleaching agent due to its reducing property.
$S{O_2} + 2{H_2}O \to {H_2}S{O_4} + 2H$
Coloured matter + $H$ $ \to $ Colourless matter
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