below which the aqueous solution of
detergents starts freezing.
B
above which the formation of micelles takes
place.
C
below which the formation of micelles takes
place.
D
above which the aqueous solution of
detergents starts boiling.
2
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Adsorption of a gas follows Freundlich adsorption isotherm. If x is the mass of the gas adsorbed
on mass m of the adsorbent, the correct plot of $${x \over m}$$ versus p is :
A
B
C
D
3
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Identify the correct molecular picture showing
that happens at the critical micellar
concentration (CMC) of an aqueous solution of
a surfactant ( ◍ polar head; ∼ non-polar tail;
● water).
A
(C)
B
(A)
C
(D)
D
(B)
4
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A sample of red ink (a colloidal suspension) is
prepared by mixing eosin dye, egg white, HCHO
and water. The component which ensures
stability of the ink sample is :
