Question

Which of the following can adsorb largest volume of hydrogen gas

• A. Finely divided platinum
• B. Finely divided nickel
• C. Colloidal palladium
• D. Colloidal platinum

Answer 1

Answer: (C)

Order of adsorption of H2 (occlusion) is Colloidal Palladium > Palladium > Platinum > ...... Gold > Nickel