Question 7

In recharging a lead-acid accumulator, the reaction at the cathode can be represented as

A.Pb²⁺_(aq) + SO^2-_4(aq) --> PbSO_4(s)
B.Pb²⁺_(aq) + 2e^- --> Pb_(s)
C.Pb²⁺_(aq) + 2H₂O_(l) ---> PbO_2(s) + 4H⁺_(aq) + 4e^-
D.Pb_(s) ---> Pb²⁺_(aq) + 2e^-

Objective

Question details

Exam body: UNIZIK
Subject: Chemistry
Year: 2015/2016 Day 3
Question no.: #7
Type: Objective

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