In a closed container there is a mixture of SO2, CO2 and O2 gas. Which sequence of reagent can be he — Reaction Mechanism Chemistry Question
Question
In a closed container there is a mixture of SO2, CO2 and O2 gas. Which sequence of reagent can be helpful to separate them? (I) Limewater (II) Acidified potassium dichromate (III) Alkaline pyragallol.
Answer: B
💡 Solution & Explanation
K2Cr2O7/H+ absorbs only SO2 (Redox reaction). Ca(OH)2 absorbs only CO2 (Acid base reaction). O2 is absorbed by alkaline pyragallol.
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