Electrochemistry 1 Question 19
19. When a lead storage battery is discharged
(1986, 1M)
(a) $\mathrm{SO} _{2}$ is evolved
(b) lead is formed
(c) lead sulphate is consumed
(d) sulphuric acid is consumed
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Answer:
Correct Answer: 19. (d)
Solution:
- In a lead storage battery, sulphuric acid is consumed as :
$ \mathrm{Pb}+\mathrm{PbO} _{2}+2 \mathrm{H} _{2} \mathrm{SO} _{4} \longrightarrow 2 \mathrm{PbSO} _{4}+2 \mathrm{H} _{2} \mathrm{O} $
