a)
PbO2 + C---->Pb + CO2b) PbCl4---->Pb(+IV) + 4Cl(-)(-)K: Pb(+IV) + 4e ----> Pb(0)(+)A: 4Cl(-I) - 4e ---->2Cl2(0)
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a)
PbO2 + C---->Pb + CO2
b) PbCl4---->Pb(+IV) + 4Cl(-)
(-)K: Pb(+IV) + 4e ----> Pb(0)
(+)A: 4Cl(-I) - 4e ---->2Cl2(0)