Final answer:
Raney nickel is the heterogeneous catalyst used in the hydrogenation of olefins.
Explanation:
Raney nickel is the heterogeneous catalyst used in the hydrogenation of olefins. It is prepared from a nickel-aluminum alloy, where sodium hydroxide is used to dissolve aluminum, leaving behind finely divided black powder of nickel.
Learn more about Catalysts in hydrogenation reactions here:
https://brainly.com/question/9020790
