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15-02-2017
Chemistry

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What is the oxidation number of S in Li¿SOÁ?
A +1
B +2
C +5
D +6

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MissPhiladelphia MissPhiladelphia

25-02-2017

The oxidation of S in Li2SO4:

SO4 -2

oxidation number of O is -2, so the oxidation number of O4 is -8. To make the overall charge (-2), the charge of S must be +6. The answer is (D) +6

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