p-Block elementsHard

Question

NH3 can′t be obtained by :

Options

A.heating of NH4NO3 or NH4NO2
B.heating of NH4Cl or (NH4)2 CO3
C.heating of NH4NO3 with NaOH
D.reaction of AIN or Mg3N2 or CaCN2 with H2O

Solution

NH4NO3 and NH4NO2 both contain oxidising anions and thus gives N2O or N2 not ammonia.
NH4NO3 N2O + 2H2O    ;    NH4NO2 N2 + H2O

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