Question

Read the given passage and answer the questions 1 to 5 that follows:
A Lead storage battery is the most important type of secondary having a lead
anode and a grid of lead packed with PbO, as cathode. A 38 % solution of
sulphuric acid is used as electrolyte. (Density=1.294g/ml) The battery holds 3.5 L
of the acid. During the discharge of the battery, the density of H2SO4 falls to
1.139 g/ml. (20% H2SO, by mass)
1 Write the reaction taking place at the cathode when the battery is in use.
2 How much electricity in terms of Faraday is required to carry out the
reduction of one mole PbO,?
3 What is the molarity of sulphuric acid before discharge?
Lead storage battery is considered a secondary cell. Why?
5 Write the products of electrolysis when dilute sulphuric acid is electrolysed
using Platinum electrodes.​

Answer 1

Answer:

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