JEE Main Chemistry question
Not in JEE Main or NEET syllabus
How many of the following features are CORRECT regarding physisorption? 1. Highly specific in nature. 2. Heat of adsorption is low. 3. Favoured at low temperature. 4. Reversible in nature. 5. Forms a monomolecular layer of adsorbed particles.
Answer: 3
Solution
Physisorption has low heat of adsorption, is favoured at low temperature, and is reversible — statements 2, 3 and 4 are correct descriptions of physisorption. High specificity (statement 1) and
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