Aquated copper (I) cation undergoes disproportionation as : 2Cu+(aq.) Cu2+(aq.) + Cu — d and f Block Elements Chemistry Question

💡 Solution & Explanation

Step 1: Mercury forms two chlorides: mercuric chloride (HgCl2) and mercurous chloride (Hg2Cl2). Step 2: Mercurous chloride, also known as dimerized mercury(I) chloride, is a white, insoluble crystalline mineral. Step 3: The common name for Hg2Cl2 is calomel, which corresponds to option (b).