JEE Advanced Chemistry: Surface Chemistry Practice Questions

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

Q1.
$Which of the following factors does not affect the adsorption of a gas on a solid surface?$
Easy
Q2.
$The process of removing an impurity from a colloidal solution by diffusion through a semipermeable membrane is called:$
Easy
Q3.
$The phenomenon of scattering of light by colloidal particles is known as:$
Easy
Q4.
$Which of the following is an example of a lyophilic colloid?$
Easy
Q5.
$Which of the following is a positive catalyst for the decomposition of hydrogen peroxide?$
Easy
Q6.
$A colloidal system consisting of a liquid dispersed in a liquid is known as:$
Medium
Q7.
$For a Freundlich adsorption isotherm, the plot of log(x/m) versus log(P) is a straight line with a slope equal to:$
Medium
Q8.
$For the adsorption of a gas on a solid surface, the Langmuir adsorption isotherm is given by x/m = abP / (1 + aP). At very high pressure, the fraction of surfac$
Medium
Q9.
$Which of the following statements is correct regarding the coagulation of a lyophobic sol?$
Medium
Q10.
$For the adsorption of a gas on a solid surface following the Langmuir isotherm, the fraction of surface coverage theta is given by theta = (KP)/(1 + KP). At ver$
Hard
Q11.
$C o n s i d er t h e F r e u n d l i c ha d sor pt i o ni so t h er m g i v e nb y x / m = k P^{(} 1/ n) . I f a pl o t o f l o g (x / m) v er s u s l o g (P) y i e l d s a s t r ai g h tl in e w i t hanin t er ce pt o f 0.301 an d a$
Hard
Q12.
$A hydrophobic sol is stabilized by the addition of a small amount of electrolyte. If the coagulation value of NaCl for a given sol is 50 millimoles per liter, w$
Hard
Q13.
$Which of the following statements regarding the zeta potential of a colloidal system is correct?$
Hard
Q14.
$In the context of micelle formation, the critical micelle concentration (CMC) is influenced by the length of the hydrocarbon chain. Which of the following state$
Hard

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