Which mechanism causes increased product formation when using nickel catalysts in hydrogenation of vegetable oil?

💡 Explanation

When nickel catalysts are used, adsorption occurs because the unsaturated bonds in the vegetable oil weakly bond to the nickel surface, providing increased surface area thus promoting the reaction and accelerating the hydrogenation process. Therefore, increased surface area for reaction results, not reduced viscosity or enhanced solubility, which don't involve surface facilitation.

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