In which of the following reactions is there | vedclass

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(D) To determine the change in oxidation number,we calculate the oxidation state of nitrogen in each reaction:$A) 2NO_2 (+4) \longrightarrow N_2O_4 (+

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$N_2 + 3H_2 \longrightarrow 2NH_3$

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(D) To determine the change in oxidation number,we calculate the oxidation state of nitrogen in each reaction:$A) 2NO_2 (+4) \longrightarrow N_2O_4 (+4)$. No change.$B) NH_3 (-3) + H_2O \longrightarrow NH_4^+ (-3) + OH^-$. No change.$C) N_2O_5 (+5) + H_2O \longrightarrow 2HNO_3 (+5)$. No change.$D) N_2 (0) + 3H_2 \longrightarrow 2NH_3 (-3)$. The oxidation number of nitrogen changes from $0$ to $-3$.

In which of the following reactions is there a change in the oxidation number of the nitrogen atom?

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