Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistrySurface Chemistry

According to the modern adsorption theory, what happens to the formed molecules on the catalyst's surface?

Options

  1. AThey remain on the surface permanently
  2. BThey evaporate, leaving the surface for fresh reactant molecules
  3. CThey diffuse into the bulk of the catalyst
  4. DThey react with the inner part of the bulk

Correct answer

B. They evaporate, leaving the surface for fresh reactant molecules

Step-by-step solution

The paragraph explains that formed molecules on the catalyst's surface may evaporate, leaving the surface for fresh reactant molecules.

Practice Surface Chemistry on Quantrex Academy →

More from Surface Chemistry

Which of the following is a positively charged sol? 2023Pumice stone is an example of 2023Which one is an example of heterogenous catalysis? 2023Shown below are adsorption isotherms for a gas ' X ' at temperatures T ₁, ~T ₂ and T ₃ : p and x m represent pressure and extent of adsorption, respectively. The correct order of t 2022Given below are two statements : Statement I : In the coagulation of a negative sol, the flocculating power of the three given ions is in the order - Al 3 + > Ba 2 + > Na + 2022The right option for the statement "Tyndall effect is exhibited by", is: 2021Measuring Zeta potential is useful in determining which property of colloidal solution? 2020In which of the sols, the colloidal particles are with negative charge? 2020 Full Surface Chemistry list All NEET PYQs