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Reducing property of SO2 is shown in the...

Reducing property of `SO_2` is shown in the reaction

A

`2H_2S + SO_2 to 3S + 2H_2O`

B

`I_2 + SO_2 + 2H_2O to SO_4^(-2) + 2I^(-) + 4H^(+)`

C

`3Fe+SO_2 to 2FeO +FeS`

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
B
`overset((+4))(SO_2)tooverset((+6))(SO_4^(2-))`
Sulphur is oxidized from +4 to +6 state and reduces lodine.
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