MCQ
The physical adsorption of gases on the solid surface is due to:
- ACovalent bond.
- BHydrogen bond.
- CIonic bond.
- ✓Van der wal's force.
✓
Answer
Correct option: D.
Van der wal's force.
When the force of attraction existing between adsorbate and adsorbent are weak Vanderwaal forces of attraction, the process is called Physical Adsorption or Physisorption. When the force of attraction existing between adsorbate and adsorbent are chemical forces of attraction or chemical bond, the process is called Chemical Adsorption.
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