SO3 3 is not directly dissolved in water in the industrial preparation of H2 2 SO4 4 by the contact process because

Question 1 Report

SO $_{3}$ is not directly dissolved in water in the industrial preparation of H $_{2}$ SO $_{4}$ by the contact process because

_{3}

is an acidic gas

Acid is usually added to water and not water to acid

The reaction between SO

_{3}

and water is violently exothermic

_{3}

does not dissolve readily in water

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