What is I, II and electrolyte used in the above figure?
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a
I - Spongy leadII - PbO2III - 50% H2SO4 solution
b
I - Spongy leadII - PbO2III - 38% H2SO4 solution
c
I - PbO2II - Spongy leadIII - 50% H2SO4 solution
d
I - PbO2II - Spongy leadIII - 38% H2SO4 solution
answer is B.
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Detailed Solution
Lead storage battery consists of spongy lead anode and a grid of lead packed with lead dioxide (PbO2) as cathode. 38% solution of H2SO4 is used as an electrolyte.