p-Block elementsHard

Question

Nitrogen is obtained by the thermal decomposition of :

Options

A.NH4Cl
B.NH4NO3
C.AgNO3
D.none of these

Solution

NH4Cl gives NH3, NH4NO3 gives N2O and AgNO3 gives NO2.
(A) NH4Cl  NH3 + HCl
(B) NH4NO3 N2O + 2H2O    
(C) AgNO3 Ag + NO2 + 1/2O2

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