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Consider a typical lead storage battery ...

Consider a typical lead storage battery and select the correct statement mentioned below.

A

Lead oxide is dissolved into electrolyte without any change on withdrawing current

B

The density of electrolyte is increased on discharging

C

Sulphuric acid concentration decreases on discharging

D

The potential difference observed is approximately 12V.

Text Solution

Verified by Experts

The correct Answer is:
C
On discharging of lead storage battery, lead oxide converts into lead sulphate and is deposited on the plates, so, sulphuric acid withdraws from electrolyte which results in decrease in density of electrolyte. Lead storage battery, in general, can be used to generate potential difference of multiples of 2V because one cell produces around 2V potential difference.
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