JEE Main Chemistry: Surface Chemistry Practice Questions

14 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

Q1.
$Which of the following is an example of a heterogeneous catalyst in the contact process for the manufacture of sulfuric acid?$
Easy
Q2.
$Which of the following is an example of a solid-in-liquid colloidal system?$
Easy
Q3.
$The phenomenon of scattering of light by colloidal particles is called:$
Easy
Q4.
$The process of removing an adsorbed substance from a surface is known as:$
Easy
Q5.
$Which of the following is a lyophilic colloid?$
Easy
Q6.
$The gold number of protective colloids A, B, C, and Dare 0.04, 0.002, 10, and 25 respectively. Which colloid has the highest protective power?$
Medium
Q7.
$Which of the following electrolytes is most effective in coagulating a negatively charged sol of arsenic sulfide?$
Medium
Q8.
$Which of the following statements is incorrect regarding chemisorption?$
Medium
Q9.
$F or t h e a d sor pt i o n o f a g a so na so l i d s u r f a ce, t h e F r e u n d l i c ha d sor pt i o ni so t h er mi s g i v e nb y x / m = k P^{(} 1/ n) . W hi c h o f t h e f o l l o w in g s t a t e m e n t s i scor r ec t r e g a$
Medium
Q10.
$In the context of micelle formation, what is the term used for the minimum concentration of surfactant above which micelles are formed?$
Medium
Q11.
$Which of the following statements regarding the Hardy-Schulze rule for the coagulation of a negatively charged sol is correct?$
Hard
Q12.
$For the adsorption of a gas on a solid surface following the Langmuir adsorption isotherm, the fraction of surface coverage theta is given by theta = (KP) / (1$
Hard
Q13.
$In the context of enzyme catalysis, the Michaelis-Menten equation is given by v = (Vmax * [S]) / (Km + [S]). If the substrate concentration [S] is equal to Km,$
Hard
Q14.
$A colloidal solution is prepared by adding a small amount of silver nitrate solution to an excess of potassium iodide solution. What is the charge on the colloi$
Hard

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