On charging the lead storage battery, the oxidation state o lead changes from x1 to y1 at the anode — JEE Mains Chemistry Past Papers Chemistry Question

Question

On charging the lead storage battery, the oxidation state o lead changes from x1 to y1 at the anode and from x2 to y2 at the cathode. The values of x1, y1, x2, y2 are respectively: (A) +2, 0, 0, +4 (B) +4, +2, 0, +2 (C) 0, +2, 4, +2 (D) +2, 0, +2, +4