Question

Valency of S in H2SO3

Answer 1

Answer:

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H2SO4

Oxidation number of Hydrogen = +1

Oxidation number of Oxygen = -2

Let oxidation state of sulphur be X

H2SO3 is chargeless

2(1) + X + 3(-2) = 0

X = 6-2

X=4

Oxidation number of sulphur is +4

Valency of Sulphus is 4

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