Which of the following catalytic systems is used for the reduction of unsaturated hydrocarbon to saturated hydrocarbon?
Answer
The correct answer is D: Nickel and H2. The catalytic hydrogenation of unsaturated hydrocarbons (alkenes/alkynes) to saturated hydrocarbons (alkanes) is carried out using hydrogen gas in the presence of a finely divided metal catalyst — most commonly nickel (Sabatier process), platinum, or palladium. Nickel with H2 is the classical industrial catalyst (e.g., used in hydrogenation…
A.Copper and H2
B.Iron and H2
C.Zinc and H2
D.Nickel and H2✓ Correct
Explanation
The catalytic hydrogenation of unsaturated hydrocarbons (alkenes/alkynes) to saturated hydrocarbons (alkanes) is carried out using hydrogen gas in the presence of a finely divided metal catalyst — most commonly nickel (Sabatier process), platinum, or palladium. Nickel with H2 is the classical industrial catalyst (e.g., used in hydrogenation of vegetable oils to vanaspati).
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