zinc niterate on heating decomposes to give lead oxide , notrogen dioxide and oxygen
form eq and balance it
Zinc nitrate thermal decomposition:
2 Zn(NO3)2 ---> 2 ZnO + 4 NO2 +
O2
Lead nitrate thermal decomposition:
2 Pb(NO3)2 ---> 2 PbO + 4 NO2 +
O2