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Alyvia Molina
Chemistry
22 October, 21:01
What is the oxidation state of Sin SO 3 ^ 2-?
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Brandon Bentley
22 October, 21:14
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Oxidation state of S in SO3^2 - is + 4
Explanation:
S in SO3^2-=
S = ?
O = - 2
S + 3 moles of O * - 2 = - 2
S + (-6) = - 2 (it has charge - 2)
S - 6 = - 2
S = - 2 + 6
S = + 4
Note, the sign is very important
Don't confuse SO3 together with SO3^2-, the oxidation state of S in SO3 is + 6, how?
S = ?
O = - 2
S + 3 * - 2 = 0 (because it has no charge)
S - 6 = 0
S = + 6
And in SO3^2-
S = + 4
The difference is that one has charge SO3^2 - and the other doesn't SO3.
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