1.

In which of the following compound an element exhibits two different oxidatin states

Answer»

Solution :Ammoneium NITRATE is an IONIC compound it CONSISTS of two ions i.e `NH_(4)^(+)` and `NO_(3)^(-)` The O.N of N in the two species is different as shown below
O.N of N in `NH_(4)^(+)=x+(4xx1)=+1 or x =- 3 O.N of N in NO_(3)^(-) =x+3(-2)=- or x =+5`


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