For the catalytic hydrogenation of alkenes, select from below those most likely to function as a homogenous catalyst?

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Wilkinson's catalyst is a well-known example of a homogenous catalyst for the catalytic hydrogenation of alkenes. It is a transition metal complex that contains both a metal center and a ligand, which work together to facilitate the reaction. In contrast, Ni, Pd, Pt, and Au are all transition metals that are more commonly used as heterogeneous catalysts, typically supported on a solid surface. While they can still catalyze hydrogenation reactions, they are not as well-suited for homogenous catalysis as Wilkinson's catalyst.

For the Catalytic Hydrogenation of Alkenes, Select from Below Those