JKCET SERIES Chemistry
Surface Chemistry
10 previous year questions.
Volume: 10 Ques
Yield: Medium
High-Yield Trend
2
2019 1
2017 2
2016 1
2014 1
2012 1
2011 1
2009 1
2008 Chapter Questions 10 MCQs
01
PYQ 2008
easy
chemistry ID: jkcet-20
The phenomenon observed when a beam of light is passed through a colloidal solution, is
1
cataphoresis
2
delectrophoresis
3
coagulation
4
Tyndall effect
02
PYQ 2009
medium
chemistry ID: jkcet-20
When an excess and a very dilute aqueous solution of is added to a very dilute aqueous solution of silver nitrate, the colloidal particles of silver iodide are associated with the Helmholtz double layer
1
2
3
4
03
PYQ 2011
medium
chemistry ID: jkcet-20
Freundlich adsorption isotherm equation is
1
2
3
4
04
PYQ 2012
medium
chemistry ID: jkcet-20
The rate of reactions exhibiting negative activation energy
1
decreases with increasing temperature
2
increases with increasing temperature
3
does not depend on temperature
4
depends on the height of the potential barrier
05
PYQ 2014
medium
chemistry ID: jkcet-20
In Freundlich Adsorption isotherm, the value of is :
1
in case of physical adsorption
2
in case of chemisorption
3
between and in all cases
4
between and in all cases
06
PYQ 2016
easy
chemistry ID: jkcet-20
In the plot of log for an adsorption, a straight line inclined at an angle of to the -axis was obtained. The value for this adsorption process is
07
PYQ 2016
easy
chemistry ID: jkcet-20
A homogeneous catalytic process among the following is
08
PYQ 2017
medium
chemistry ID: jkcet-20
Under what condition, will value be equal to pressure of the gas on the surface of the absorbent?
1
At low pressure
2
At high pressure
3
At low temperature
4
At high temperature
09
PYQ 2019
medium
chemistry ID: jkcet-20
From Freundlich adsorption isotherm, if is plotted in -axis and in -axis, the slope will be (Where and are constants that depend on the nature of the adsorbent and the gas at a particular temperature, is the mass of gas adsorbed on mass )
1
2
3
4
10
PYQ 2019
medium
chemistry ID: jkcet-20
Extent of physisorption of a gas increases with _________ .
1
increase in temperature
2
decrease in temperature
3
decrease in surface area of adsorbent
4
decrease in strength of van der Waals forces