Question

iv) What is Olium? How it is prepared?​

Answer 1

Answer:

Oleum is produced in the contact process, where sulfur is oxidized to sulfur trioxide which is subsequently dissolved in concentrated sulfuric acid. Sulfuric acid itself is regenerated by dilution of part of the oleum.

Answer 2

What is Oleum ?

Ans : Oleum is a term referring to solutions of various compositions of sulfur trioxide in sulfuric acid.

How Oleum is prepared ?

Ans : it is produced in the contact process, where sulfur is oxidized to sulfur trioxide which is subsequently dissolved in concentrated sulfuric acid.