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If the adsorbate is held on a surface by weak Van der Walls forces, the absorption process is called
Options
(a) physical adsorption
(b) chemical adsorption
(c) heat of adsorption
(d) enthalpy of adsorption
Correct Answer:
physical adsorption
Explanation:
Particles of the adsorbate are held to the surface of the adsorbent by the physical forces such as van der waals forces, the adsorption is called physical adsorption or physisorption. physical adsorption acan be easily reversed or decreased.
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If 1 litre of N₂ is mixed with 2 litre of O₂, quantity explaining it is
- ³⁵₁₇Cl and ³⁷₁₇Cl are two isotopes of chlorine. If average atomic weight is 35.5
- When formaldehyde is polymerised in the presence of dilute H₂SO₄, the compound
- ΔH°f (298 K) of methanol is given by the chemical equation
- The IUPAC name for Co(NH₃)₆Cl₃ is
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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