Consider following reaction : Cl2(g) + H2O -R.T.-> P + Q. If molecular weight of P is less than Q th — Redox Reactions and Volumetric Analysis Chemistry Question

💡 Solution & Explanation

Step 1: Barium carbonate (BaCO3↓) is an insoluble carbonate precipitate. Step 2: Acetic acid (AcOH), although a weak acid, is sufficiently acidic to decompose the carbonate, forming soluble barium acetate, Ba(AcO)2, along with water and escaping carbon dioxide gas. Step 3: Because the solid precipitate is dissolved into a clear solution, this is classified as a precipitate dissolution reaction (type B), matching option (b).