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The d & f Block Elements — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
MCQ
The adsorption of hydrogen by platinum black is called:
  • A
    Hydrogenation
  • B
    Reduction
  • C
    Occlusion
  • D
    Hydration
✓

Answer

  1. Occlusion

Explanation:

When adsorption happens on metals, it is called occlusion. Occlusion happens on a variety of metals, including iron, platinum and palladium, but hydrogen gas is the only adsorbate.

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