Dinitrogen (N₂) and dioxygen (O₂) are the main constituents of air but they do not react with each other to form oxides of nitrogen because
the reaction requires initiation by a catalyst
oxides of nitrogen are unstable
the reaction is endothermic and requires very high temperature
the stoichiometry of N₂ and O₂ in air is not ideal for the reaction to take place
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC NDA-1 – 2019
– The strong triple bond in N₂ requires a large amount of energy to break.
– Standard atmospheric temperatures are insufficient to overcome the activation energy barrier for this reaction.