Sulphuric acid saturated with SO3 is called_________________?
Correct answer: A. Oleum
- A. Oleum
- B. Sulphurous acid
- C. Concentrated H2SO4
- D. None of these
Explanation
Oleum is sulphuric acid containing dissolved excess SO3, commonly represented as H2SO4·SO3. It is therefore stronger than ordinary concentrated sulphuric acid.
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