In salts of polyatomic anion, as polarising power of cation increases, thermal stability of the salt — d and f Block Elements Chemistry Question

💡 Solution & Explanation

Pb(NO3)2 $\xrightarrow{\Delta}$ PbO (Red in hot, Litharge) + 2NO2$\uparrow$ + 1/2 O2$\uparrow$ (Two different Paramagnetic gases)<br>Hg(NO3)2 $\xrightarrow{\Delta}$ Hg + 2NO2$\uparrow$ + O2$\uparrow$<br>FeC2O4 $\xrightarrow{\Delta}$ FeO + CO$\uparrow$ + CO2$\uparrow$<br>ZnSO4 $\xrightarrow{>800^\circ\text{C}}$ ZnO + SO2$\uparrow$ + 1/2 O2$\uparrow$ [2]