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Which compound acts as an oxidising as w...

Which compound acts as an oxidising as well as reducing agent?

A

`SO_2`

B

`MnO_2`

C

`Al_2O_3`

D

`CrO_3`

Text Solution

Verified by Experts

The correct Answer is:
A
`SO_2` can act as an oxidising agent as well as a reducing agent.
`3SO_2+O_3to3SO_3`(`SO_2` as reducing agent)
`SO_2 +2H_2S to 2H_2O +3S` (`SO_2` as an oxidising agent)
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