Question

Predict the valency of S in SO2 with respect to oxygen.
hot vrill be the form​

Answer 1

Answer: You can work it out like this: we know that the oxidation state of O is 2- (it always is), so in this compound, the O2 creates a 4- charge. Since there is no charge on the compound as a whole, we know that the charge on the sulphur cancels out this 4-, and therefore must be 4+.

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