JAMB Biology 2015 Objective — Question 13

Question 13 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2015 Objective paper, with the correct answer and a full explanation.

PCl₅(g) ⇌ PCl₃(g) + Cl₂(g), ΔH = +ve. In the reaction above, the forward reaction is favoured by

A. increasing the size of the containing vessel
B. increasing the pressure
C. adding a catalyst
D. increasing the temperatureCorrect

Explanation

Since the forward reaction is endothermic (ΔH = +ve), it is favoured by an increase in temperature.

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