Which of the following is an endothermic reaction

Options

A. `2H_(2) + O_(2) rarr 2H_(2)O`
B. `N_(2) + O_(2) rarr 2NO`
C. `2NaOH + H_(2)SO_(4) rarr Na_(2)SO_(4) + 2H_(2)O`
D. `3O_(2) + C_(2)H_(5)OH rarr 2CO_(2) + 3H_(2)O`

Answer

B

Explanation

Oxidation of `N_(2)(g)` is endothermic reaction because of high bond dissociation energ of `N_(2)` molecule