Q.

The correct order of N-compounds in its decreasing order of oxidation states is               [2018]

1 HNO3,NO,N2,NH4Cl  
2 HNO3,NO,NH4Cl,N2  
3 HNO3,NH4Cl,NO,N2  
4 NH4Cl,N2,NO,HNO3  

Ans.

(1)

HNO3+5,N+2O,N20,N-3H4Cl