Hydrogenation of alkenes can be carried out in the presence of

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UPSC CAPF Paper - I: Official Paper (Held on: 7 Aug 2022)
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  1. copper
  2. zinc
  3. aluminium
  4. nickel

Answer (Detailed Solution Below)

Option 4 : nickel
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Detailed Solution

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The correct answer is nickel.

Key Points

  • Unsaturated hydrocarbons such as alkenes add Hydrogen in the presence of catalysts such as Ni to form saturated hydrocarbons. This is called an addition reaction.
  • The reaction is commonly used in the hydrogenation of vegetable oils using a Nickel catalyst.
  • The reaction is:

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