Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form oxides of nitrogen because-

The reaction is endothermic and requires very high temperature.

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The reaction can be initiated only in presence of acatalyst.

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Oxides of nitrogen are unstable.

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Dinitrogen and dioxygen are reactive.

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Solution

The correct option is A
The reaction is endothermic and requires very high temperature.

Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form oxides of nitrogen because the reaction of dinitrogen and dioxygen is endothermic and requires very high temperature while in this reaction air does not provide such a high temperature.

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Similar questions

Q. Dinitrogen and dioxygen are main constituents of air, but these do not react with each other to form oxides of nitrogen because:

Assertion: Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.

Reason: The reaction between nitrogen and oxygen requires high temperature.

Statement I: Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.
Statement: II: The reaction between nitrogen and oxygen requires high temperature.

45.4

L of dinitrogen reacted with

22.7

L of dioxygen and

45.4

L of nitrous oxide was formed. The reaction is given below:

2 N_{2} (g) + O_{2} (g) \to 2 N_{2} O (g)

Which law is being obeyed in this experiment?

Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants.

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