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What is the role of nickel in hydrogenation of vegetable oil?

Answer and explanation

Correct answer: Catalyst

Hydrogenation is an addition reaction in which hydrogen is added to carbon-carbon double bonds of unsaturated vegetable oil, increasing saturation and often making the fat more solid. Nickel provides a surface that helps the reaction proceed faster by lowering the effective activation barrier, while it is regenerated rather than used up overall. Thus option A is correct. Nickel is not the solvent, an acid-base indicator, or the fuel in this process.

Related tags

HydrogenationNickelCatalystCarbon And Its CompoundsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScienceClass 10 Mcq

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