Which of the following compound does not liberate oxygen gas on warming with conc. H2SO4 ? | Reaction Mechanism — Chem-Mantra | Chem-Mantra

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Question

Which of the following compound does not liberate oxygen gas on warming with conc. H2SO4 ?

Answer: A

💡 Solution & Explanation

Conc. H2SO4 + SO3 -warm-> H2S2O7 (Oleum). PbO2, MnO2, and CrO5 all liberate O2 gas with conc. H2SO4.

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