Which among the following reactions is favoured in forward direct… - Vidyadip

MCQ

Which among the following reactions is favoured in forward direction by increase of temperature?

A
${N_2}(g)\, + \,3{H_2}(g)\,\rightleftharpoons \,2N{H_3}(g)\, + \,22.9\,kcal\,\,$
✓
${N_2}(g)\, + {O_2}(g)\,\rightleftharpoons \,2NO(g)\, - \,42.8\,kcal\,\,$
C
$2S{O_2}(g)\, + {O_2}(g)\,\rightleftharpoons \,2S{O_3}(g)\, + 45.3\,kcal\,\,$
D
${H_2}(g)\, + C{l_2}(g)\, - \,44\,kcal\,\rightleftharpoons \,2HCl(g)$

✓

Answer

Correct option: B.

${N_2}(g)\, + {O_2}(g)\,\rightleftharpoons \,2NO(g)\, - \,42.8\,kcal\,\,$

b
It is an endothermic reaction, hence the rise in temperature will favour forward direction.

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