Mht CetElectrochemistryMHT CET 2026 17th April Evening ShiftMCQ+1 / -02026What is the change in oxidation number of Pb at positive electrode of lead accumulator acting as galvanic cell ?Aincreases by 1Bdecreases by 1Cincreases by 2Ddecreases by 2Check AnswerClear SelectionReveal AnswerShow Explanation