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

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Both Assertion and Reason are correct.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

Assertion is incorrect but Reason is correct.

answer is A.

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Detailed Solution

Nitrogen is an inert gas because of the presence of strong bonds. That’s why although there is 78% in the atmosphere but nitrogen oxide is not formed under ordinary conditions. But when temperature is high enough i.e.= 2000K, it reacts with oxygen to form nitrogen oxide.

$N_{2} + O_{2} \overset{\approx 2000 K}{⟶} 2 NO$

Thus Assertion and Reason are true and Reason is the correct explanation of the assertion.

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