N2→NH3→NO2→HNO3→Pb(NO3)2→O2
To remove NO from the sequence, we can remove the NO2 and HNO3 steps:
N2→NH3→Pb(NO3)2→O2
N2→NH3→NO2→HNO3→Pb(NO3)2→O2
To remove NO from the sequence, we can remove the NO2 and HNO3 steps:
N2→NH3→Pb(NO3)2→O2