In which of the following processes does nitr | vedclass

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(D) To determine if nitrogen undergoes oxidation,we calculate the change in the oxidation state of nitrogen in each reaction:$A) N_2 	o HN_3$: The ox

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$N_2O 	o NO$

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(D) To determine if nitrogen undergoes oxidation,we calculate the change in the oxidation state of nitrogen in each reaction:$A) N_2 	o HN_3$: The oxidation state of $N$ changes from $0$ to $-1/3$. This is a reduction.$B) N_2O_4 	o 2NO_2$: The oxidation state of $N$ remains $+4$ in both $N_2O_4$ and $NO_2$. No change.$C) NO_3^- 	o N_2O_5$: The oxidation state of $N$ remains $+5$ in both $NO_3^-$ and $N_2O_5$. No change.$D) N_2O 	o NO$: The oxidation state of $N$ changes from $+1$ in $N_2O$ to $+2$ in $NO$. Since the oxidation state increases,this process represents oxidation.

In which of the following processes does nitrogen undergo oxidation?

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