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Surface Chemistry question

2022 · Shift 1 · Q10
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Surface Chemistry question

2022 · Shift 1 · Q10

JEE AdvancedChemistrySurface ChemistryMultiple correct+4 / −2
The correct option(s) related to adsorption processes is(are)
  1. A
    Chemisorption results in a unimolecular layer.
  2. B
    The enthalpy change during physisorption is in the range of 100 to 140 kJ mol−1140 \mathrm{~kJ} \mathrm{~mol}^{-1}140 kJ mol−1.
  3. C
    Chemisorption is an endothermic process.
  4. D
    Lowering the temperature favors physisorption processes.
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