What is the function of sulphur (IV) oxide in the reaction represented by the following equation? SO 2(aq) + 2H2S(g) → 3S (s) + 2H 2O (l)
-
A.
Dehydrating agent -
B.
Oxidising agent -
C.
Bleaching agent -
D.
Acid -
E.
Precipitant
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