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Find the Oxidation Number of S in H2SO4

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We know that Hydrogen H has +1 charge and Oxygen O has -2 charge.

Since H2SO4 molecule is neutral so the charges will be balanced by Sulfur S

Now balancing the equation gives

2 x (+1) + S + 4 x (-2) = 0

Solving we get,

+2 + S - 8 = 0

S = +6

Thus, The oxidation number of S in H2SO4 is +6.

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