JEE Main 2022 · 28 Jul · Shift 2 · Chemistry Q41

ChemistrySingle correct+4 / -1Question 41 of 90

Dinitrogen and dioxygen, the main constituents of air do not react with each other in atmosphere to form oxides of nitrogen because

\mathrm{N_2}

is unreactive in the condition of atmosphere.

Oxides of nitrogen are unstable.

Reaction between them can occur in the presence of a catalyst.

The reaction is endothermic and require very high temperature.

Answer and worked solution

Official answer: D

$\mathrm{N_2+O_2\rightarrow2NO}$ is strongly endothermic and needs very high temperatures (lightning, engines).

(D)

Topics:Group 15

JEE Main 2022 · 28 Jul · Shift 2, Chemistry question 41