Q.
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a
The oxidation states of N in NH3, HN3, and N2H4 are -3, -1/3, and -2 respectively
b
The oxidation states of N in NO2, N2O4, and NO2⊝ are +4, +4 and +3, respectively
c
The oxidation states of N in NH2OH, NO, and HNO3 are -1, +2, and +5, respectively
d
The oxidation states of N in N2O and HCN are +1 and -3, respectively
answer is A.
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