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P BLOCK ELEMENTS
Question #40786
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Question
In the absorption step, SO3(g) + H2SO4(l) → H2S2O7(l), what happens to the oxidation state of sulphur?
A. It increases from +4 to +6
B. It decreases from +6 to +4
C. It remains the same (+6)
D. It alternates between +4 and +6
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