JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Which of the following is a wrong statement for physisorption?

(A)It is a reversible reaction
(B)Reaction requires an energy of activationCorrect
(C)The value of adsorption enthalpy is low
(D)It generally occurs at a low temperature

Answer: (B)

Solution

Physisorption is a reversible process (A) that generally occurs at low temperature (D) and has a low enthalpy of adsorption, typically 20–40 kJ mol (C). Unlike chemisorption,

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Question ID VK-144690