23 JEE Main 2021 Surface Chemistry previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 previous-year questions from the Surface Chemistry chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Surface Chemistry chapter hub.
CH 4 is adsorbed on 1   g charcoal at 0 ° C following the Freundlich adsorption isotherm. 10 . 0   mL of…
In Freundlich adsorption isotherm at moderate pressure, the extent of adsorption x m is directly proportional to P x .…
For the coagulation of a negative sol, the species below, that has the highest flocculating power is:
The INCORRECT statements below regarding colloidal solutions is :
Which one of the following is correct for the adsorption of a gas at a given temperature on a solid surface?
For coagulation of 50 mL of a sol, 10 mL of 0.5M Cl - ion solution is required. What is the coagulating value of Cl - i…
Lyophilic sols are more stable than lyophobic sols because:
In Freundlich adsorption isotherm, slope of AB line is:
The charges on the colloidal CdS sol and TiO 2 sol are, respectively :
The sol given below with negatively charged colloidal particles is:
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