This chapter is currently out of syllabus
1
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
If x gram of gas is adsorbed by m gram of adsorbent at pressure P, the plot of log $${x \over m}$$ versus log P is linear. The slope of the plot is :
(n and k are constants and n > 1)
A
2 k
B
log k
C
n
D
$${1 \over n}$$
2
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following statements about colloids is False ?
A
Freezing point of colloidal solution is lower than true solution at same concentration of a solute.
B
Colloidal particles can pass through ordinary filter paper.
C
When silver nitrate solution is added to potassium iodide solution, a negatively charged colloidal solution is formed.
D
When excess of electolyte is added to colloidal solution, colloidal particle will be precipitated.
3
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Adsorption of a gas on a surface follows Freundlich adsorption isotherm. Plot of log $${x \over m}$$ versus log p gives a straight line with slope equal to 0.5, then:

( $${x \over m}$$ is the mass of the gas adsorbed per gram of adsorbent)
A
Adsorption is independent of pressure.
B
Adsorption is proportional to the pressure.
C
Adsorption is proportional to the square root of pressure.
D
Adsorption is proportional to the square of pressure.
4
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Among the following, correct statement is :
A
Brownian movement is more pronounced for smaller particles than for bigger–particles
B
Sols of metal sulphides are lyophilic.
C
Hardy Schulze law states that bigger the size of the ions, the greater is its coagulating power.
D
One would expect charcoal to adsorb chlorine more than hydrogen sulphide.
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12