When PbO2 reacts with conc. HNO3 then evolved gas is : — Redox Reactions and Volumetric Analysis Chemistry Question

💡 Solution & Explanation

Step 1: Dichlorine monoxide (Cl2O) has chlorine in the +1 oxidation state. It reacts with water to form hypochlorous acid (HClO). Step 2: Hypochlorous acid has the "-ous" suffix. Step 3: Since the chlorine-containing product is an oxyacid with an "-ous" suffix, the correct option is (b).