A metal surface of 100cm2 area has to be coated with nickel layer of thickness 0.001 mm. A current o — JEE Mains Chemistry Past Papers Chemistry Question

💡 Solution & Explanation

Mass of Ni deposited = [A × thickness] density = [100 × 10–4] × 10 = 0.1 gram. w = Z it. 0.1 = t i E         0.1 = t 96500 60          t = 16.08 sec. Ans. 16 | JEE(Main) 2023 | DATE : 13-04-2023 (SHIFT-1) | PAPER-1 | OFFICIAL | CHEMISTRY PAGE # 11