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# Justify that the following reactions are redox reactions 4 NH3(g) +5O2(g)---.4NO(g) +6H2O(g)

8.3 Justify that the following reactions are redox reaction

(e) $4NH_{3}_{(g)}+5O_{2}_{(g)}\rightarrow4NO_{(g)}+6H_{2}O_{(g)}$

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Solution-

here $N (-3)\rightarrow N(+2)$ oxidation reaction

and $O(0)\rightarrow O(-2)$ reduction reaction (oxidation state of oxygen is zero at molecular state )

hence it's a redox reaction

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