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2H2S g SO2 g 3S s 2H2O I The above reaction is - JAMB Chemistry 1991 Question

2H2S(g) + SO2(g) → 3S(s) + 2H2O(I). The above reaction is?
A
a redox reaction H2S is the oxidant and SO2 is the reductant
B
a redox reaction in which SO2 is the oxidant and H2S is the reductant
C
not a redox reaction because there is no oxidant in reaction equation
D
not a redox because there is no reductant in the reaction equation
correct option: b
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