Surface ChemistryhardMCQ SINGLE⭐ Must-Do

The adsorption isobar for chemical adsorption (chemisorption) plots the extent of adsorption () agaiSurface Chemistry Chemistry Question

Question

The adsorption isobar for chemical adsorption (chemisorption) plots the extent of adsorption ($x/m$) against absolute temperature ($T$). Which geometric shape best describes this isobar?

Answer: C

💡 Solution & Explanation

Chemisorption requires activation energy, so increasing temperature initially increases the rate of bond formation (adsorption increases). At very high temperatures, the thermal energy breaks the formed chemical bonds, causing desorption (adsorption decreases).

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