p-Block elementsHard
Question
NO2 can be prepared by heating :
Options
A.NH4NO3
B.NaNO3
C.Pb(NO3)2
D.KNO3
Solution
2Pb (NO3)2 
2PbO + 4NO2 + O2
NaNO3 and KNO3 gives their nitrites and O2 where as NH4NO3 gives N2O.
2PbO + 4NO2 + O2NaNO3 and KNO3 gives their nitrites and O2 where as NH4NO3 gives N2O.
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