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In which of the following compounds, an ...

In which of the following compounds, an elements exhibits two different oxidation states?

A

`NH_(2)OH`

B

`NH_(4)NO_(3)`

C

`N_(2)H_(4)`

D

`N_(3)H`

Text Solution

Verified by Experts

The correct Answer is:
B
`NH_(4)NO_(3)` is actually `NH_(4)^(+)` and `NO_(3)^(-)`. It is an ionic compound
The oxidation number of nitrogen in the two species is different as shown below
Let, oxidation number of `N` in `overset(+)(N)H_(4)` is x.
`rArr x+(4xx1)=+1`
or `x+4=+1` or `x=-3`
Let, oxidation number of N in `NO_(3)^(-)` is x
`rArr x+(3xx-2)=-1` or `x-6=-1` or `x=+5`
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