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16-02-2018
Chemistry

contestada

What is the oxidation number of sulfur in H2SO3?
a. +3
b. +1
c. +2
d. +4

Respuesta :

TheBilogis TheBilogis

16-02-2018

We need to keep in mind that the compound is neutral.

H2SO3
2(+1)+S+3(-2)=0 (since its neutral)
2+S-6=0
S-4=0
S=4

Therefore the oxidation number for sulfur is +4.

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27-11-2018

the answer is +4 i took the test

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