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SO(2) is more powerful reducing agent in...

`SO_(2)` is more powerful reducing agent in:

A

Acid medium

B

Alkaline medium

C

Neutral medium

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
(B) The reducing power of `SO_2` is due to `SO_2 + 2H_2O to H_2SO_4 + 2(H)`
Addition of alkali favours forwards reaction whereas addition of acid favours backward reaction .
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