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Dinitrogen and dioxygen are main constit...

Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form oxides of nitrogen because a)The reaction is endothermic and requires very high temperature b).The reaction can be initiated only in presence of a catalyst c)Oxides of nitrogen are unstable d)`N_(2)` and `O_(2)` are unreactive

A

the reaction is endothermic and requires very high temperature

B

the reaction can be initiated only in presence of a catalyst

C

oxides of nitrogen are unstable

D

`N_2` and `O_2` are unreactive.

Text Solution

Verified by Experts

The correct Answer is:
A
`N_2+O_2 hArr 2NO` is endothermic and takes place only an high temperature.
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