Which of the following factors will affect the rate of the reaction represented by the following equation? 2HCl(aq) + CaCO3(s) \(\rightarrow\) CaCl2(aq) + H2O(1) + CO2(g) I. Pressure II.Concentration III. Nature of reactants IV. Temperature

Which of the following factors will affect the rate of the reaction represented by the following equation?

2HCl(aq) + CaCO3(s) \(\rightarrow\) CaCl2(aq) + H2O(1) + CO2(g)

I. Pressure

II.Concentration

III. Nature of reactants

IV. Temperature

A Pressure
B I and II only
C II, III and IV only
D I, II and III only
E I, II. III and IV

waec 2016 chemistry

The correct answer is B. I and II only

All others except pressure would affect the equilibrium of the system.

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