Q.

The correct set of oxidation numbers of nitrogen in ammonium nitrate is:

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a

-3,+3

b

-1,+1

c

+1,-1

d

-3,+5 

answer is D.

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Detailed Solution

        Ammonium Nitrate NH4NO3  compound is written as NH+4 and NO3-.
        Oxidation number of NH+4 let the oxidation state of N=x
oxidation state of H=+1
Sum of total oxidation state of all atoms = Overall charge on the compound.
(x)+(1×4)=+1(x)=1−4=−3
Oxidation state of N is -3.
        Oxidation state of N in NO3- oxidation of N as y.
oxidation state of O= −2
Using formula, we get:
(y)+3×(−2)=−1y=−1+6y=+5
So, the oxidation state of N in NO3-
is +5.
        Hence Correct option is 4.
   
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