Chemistry 2006 JAMB Past Questions - Question 7: The efficiency of a solid catalyst to increase reaction ates depends on its

Correct Answer

A

Explanation

The efficiency of a solid catalyst to increase reaction rates depends on its surface area. The surface area of a catalyst is crucial because it provides more active sites for the reaction to occur. A catalyst works by providing a surface for the reactant molecules to come together and react, and a larger surface area means more opportunities for these interactions to take place, ultimately leading to increased reaction rates.

Solubility, concentration, and quantity are not typically the primary factors influencing the efficiency of a solid catalyst. Solubility is more relevant in the case of homogeneous catalysis where the catalyst is in the same phase as the reactants, often in solution. Concentration and quantity can be important factors in certain cases, but they are not as directly related to the surface area and active sites available for the reaction, which is a key aspect in solid catalysis.