When a nonmetal oxide reacts with water, it forms an oxoacid with the same oxidation number as the nonmetal. Give the name and formula of the oxide used to prepare each of these oxoacids:
(e) sulfuric acid;

Sulfur is burned in the presence of too much air to produce SO2, which then combines with oxygen to help with the process that comes next.

O2 (g) + S(s) = SO2 (g)

When sulphur dioxide and oxygen react in a 1:1 ratio at 400–450 °C and 1-2 atm pressure in the presence of V2O5 as a catalyst, sulfur trioxide is produced. It is possible to reverse this response.

2SO3 = 2SO2(g) + O2(g) (g)

First, concentrated sulfuric acid is created to react with the sulfur trioxide that has formed. Sulfur trioxide cannot be directly dissolved in water since doing so causes fog to appear. Oleum is the name for the byproduct of this process. To create concentrated sulfuric acid, the resulting oleum is next dissolved with water.

H2SO4 + SO3(g) → H2S2O7(l)

H2S2O7(l) + H2O(l) → 2H2SO4

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When a nonmetal oxide reacts with water, it forms an oxoacid with the same oxidation number as the nonmetal. Give the name and formula of the oxide used to prepare each of these oxoacids: (e) sulfuric acid;

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When a nonmetal oxide reacts with water, it forms an oxoacid with the same oxidation number as the nonmetal. Give the name and formula of the oxide used to prepare each of these oxoacids:
(e) sulfuric acid;