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Question: When a lead storage battery is discharged,...

When a lead storage battery is discharged,

A

Lead sulphate is consumed

B

Oxygen gas is evolved

C

Lead sulphate is formed

D

Lead sulphide is formed

Answer

Lead sulphate is formed

Explanation

Solution

Pb(s)+PbO2(s)+2H2SO4(aq)→2PbSO4(s)+2H2O(l)Pb_{(s)} + PbO_{2(s)} + 2H_{2}SO_{4(aq)} \rightarrow 2PbSO_{4(s)} + 2H_{2}O_{(l)}