Question

In the air, N₂ and O₂ occur naturally but they do not react to form oxides of nitrogen because

Options :

  1. oxides of nitrogen are unstable

  2. catalyst is required for the reaction

  3. the reaction is endothermic

  4. N₂ and O₂ do not react with each other

Show Answer

Answer :

the reaction is endothermic

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