Question:
Dinitrogen and dioxygen are main constituents of air but these do not react
with each other to form oxides of nitrogen because of _________.
(i) the reaction is endothermic and requires very high temperature.
(ii) the reaction can be initiated only in the presence of a catalyst.
(iii) oxides of nitrogen are unstable.
(iv) N2and O2 are unreactive.
Solution:
Option (i) the reaction is endothermic and requires very high temperature is the answer.
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