Choose correct statement(s) regarding the following reaction :<br>Cr2O7^2-(aq.) + 3SO3^2-(aq.) + 8H^ — d and f Block Elements Chemistry Question

💡 Solution & Explanation

Step 1: Verdigris is the common name for a green pigment or coating that forms on copper, brass, or bronze surfaces when they are exposed to air and acetic acid/moisture over time. Step 2: Chemically, it consists of hydrated basic copper(II) acetate: [Cu(CH3COO)2.Cu(OH)2]. Step 3: Therefore, verdigris is basic copper acetate, corresponding to option (a).