`FeOl_(3)` solution on reaction with `SO_(2)` changes to?

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Answer :

`FeOl_(3)` solution on reaction with `SO_(2)` changes to? A. `FeCl_(2)` B. `Fe_(2)(SO_(4))_(3)` C. `Fe_(2)(SO_(3))_(3)` D. `FeSO_(4)`

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