(a) What type of a battery is the lead storage battery? Write the anode and the cathode reactions and the overall reacti

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Q 2621345221.     (a) What type of a battery is the lead storage battery? Write the anode and the cathode reactions and the overall reaction occurring in a lead storage battery when current is drawn from it.

(b) In the button cell, widely used in watches, the following reaction taken place

Zn(s) +Ag_2 O_((s)) + H_2O_(l) -> Zn^(2+)(aq) +2Ag (s) +2OH^(-) (aq)

Determine E0 and ⧍ G^o for the reaction ( given: E_(ag^+//Ag)^o =+0.8 V, E _(Zn^(2+)//Zn)^o = -0.76V)
CBSE-12th 2012

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