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JEE Main202116 Mar 2021Morning ShiftChemistryd and f Block ElementsActual

Which of the following is Lindlar catalyst?

Options

  1. AZinc chloride and HCl
  2. BCold dilute solution of KMnO 4
  3. CSodium and Liquid NH 3
  4. DPartially deactivated palladised charcoal

Correct answer

D. Partially deactivated palladised charcoal

Step-by-step solution

Partially deactivated palladised charcoal H 2 / Pd / CaCO 3   or   BaSO 4 is Lindlar catalyst.

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