Redox Reactions And Electrochemistry Ques 40
Question: Which of the following reactions occurs at the cathode during the charging of a lead storage battery [Manipal MEE 1995; MP PET 2002]
Options:
A) $ P{b^{2+}}+2{e^{-}}\to Pb $
B) $ P{b^{2+}}+SO_4^{2-}\to PbSO_4 $
C) $ Pb\to P{b^{2+}}+2{e^{-}} $
D) $ PbSO_4+2H_2O\to 2PbO_2+4SO_4^{2-}+2{e^{-}} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ PbSO_4+2H_2O\to 2PbO_2+4SO_4^{-,-}+2{e^{-}} $ .
