NEET · Chemistry · Physisorption or Chemisorption

Exercise and reference answers

Matching pairs

1. A

   Physisorption

   B

   Van der Waals forces, low heat ≈ 20 kJ/mol

2. A

   Chemisorption

   B

   Chemical bond formed, heat ≈ 80–200 kJ/mol

3. A

   Physisorption

   B

   Reversible, low specificity

4. A

   Chemisorption

   B

   Irreversible, highly specific

5. A

   Physisorption

   B

   Multilayer adsorption possible

6. A

   Chemisorption

   B

   Monolayer adsorption only

Instructions

Match each adsorption property to its category.