NEET Chemistry ยท Medium

Surface Chemistry: Adsorption enthalpy MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Adsorption enthalpyMediumQuestion 28005

Question

Enthalpy of physisorption is generally:

  1. A
    low
    Correct
  2. B
    very high
  3. C
    zero always
  4. D
    positive large

Correct answer

low

Explanation

Weak forces mean smaller heat evolved.