See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

   X s A g 2B g               1 2 1 2 1 1 2 1 2 2 1 2 1 2 1 2 2 2 p 1 1 2 p 2 1 2 3 1 p p 1 2 1 2 P 2P 2P Y s 2B g C g 2P 2P P Total pressure = P P 2P 2P 3 P P k 4P P P ;k 4P P P k k 4 P P ;P P