Exams › JEE Advanced › Chemistry
For the manufacture of NO by the reaction N2(g) + O2(g) <-> 2NO(g), with ΔH positive, the forward reaction is favoured if:
- the pressure is increased
- the pressure is decreased
- the temperature is increased
- the temperature is decreased
Correct answer: the temperature is increased
Solution
Since the reaction is endothermic (ΔH positive), increasing temperature shifts equilibrium toward products; pressure has no effect because moles of gas are equal on both sides.
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