Question

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

• A. $NH_{2}OH$
• B. $NH_{4}NO_{3}$
• C. $N_{2}H_{4}$
• D. $N_{3}H$

Answer 1

Answer: (B)

$NH_{4}NO_{3}$

Answer 2

: In $NH_{4}NO_{3},$ oxidation state of N in $NH_{4}^{+}$ is -3 while in $NO_{3}^{-}$ is + 5.