In the reaction 2H2S(g) + SO2(g) → 2H2O(I)+3S(s). SO2 is acting as _______agent

2H₂S(g) + SO₂(g) → 2H₂O(I)+3S(s)

A. a bleaching
B. a dehydrating
C. an oxidizing
D. a precipitating
E. a reducing

Correct Answer:

Option C – an oxidizing