MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryp -Block Elements (group 15-18)O and O

Which of the following gases may act both as an oxidizing and a reducing agent?

A.H₂S

B.SO₃

C.SO₂✓ Correct

D.O₂

Explanation

2 H S → only reducing 3 SO → only oxidizing 2 O → only oxidizing (mostly except F₂, etc)

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