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Bleaching action of SO2 is due to...

Bleaching action of `SO_2` is due to

A

reduction

B

oxidation

C

hydrolysis

D

its acidic nature

Text Solution

Verified by Experts

The correct Answer is:
A
Bleaching action of So, is due to reduction
`SO_2 + 2H_2 O to H_2 SO_4 + underset("hydrogen") underset("Nascent")(2[H])`
Colouring matter + 2[H] to Colourless matter
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