what is oleum? how is it obtained

Asked by ca_vipin | 14th Jul, 2010, 04:51: PM

Expert Answer:

Oleum is H2S2O7. It is prepapred by the reaction of SO3 gas from the catalytic converter is absorbed in concentrated H2SO4 to produce oleum.
SO3 + H2SO4 →  H2S2O7

Answered by  | 15th Jul, 2010, 11:26: AM

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