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QJEEAdv22Ch3f70: JEE Advanced 2022 Chemistry - Class 12 JEEAdv22Ch3f70 Solution: The correct option(s) related to adsorption processes is(are)

The correct option(s) related to adsorption processes is(are)

Multiple Choice Options

  • A Chemisorption results in a unimolecular layer.
  • B The enthalpy change during physisorption is in the range of 100 to 140 kJ mol−1140 \mathrm{~kJ} \mathrm{~mol}^{-1} .
  • C Chemisorption is an endothermic process.
  • D Lowering the temperature favors physisorption processes.

Step-by-Step Verified Solution

(A) In Chemisorption unimolecular layer is formed.

(B) In Phesisorption 20-40 kJ of heat is released.

(C) Chemisorption is exothermic process.

(D) Physisorption increases with decrease in temperature.

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