1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Increasing order of stability among the three main conformations (i.e. Eclipse, Anti, Gauche) of 2-fluoroethanol is
A
Eclipse, Gauche, Anti
B
Gauche, Eclipse, Anti
C
Eclipse, Anti, Gauche
D
Anti, Gauche, Eclipse
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In Langmuir’s model of adsorption of a gas on a solid surface
A
the rate of dissociation of adsorbed molecules from the surface does not depend on the surface covered
B
the adsorption at a single site on the surface may involve multiple molecules at the same time
C
the mass of gas striking a given area of surface is proportional to the pressure of the gas
D
the mass of gas striking a given area of surface is independent of the pressure of the gas
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Total volume of atoms present in a face-centre cubic unit cell of a metal is (r is atomic radius) :
A
20/3 $$\pi r^3$$
B
24/3 $$\pi r^3$$
C
16/3 $$\pi r^3$$
D
12/3 $$\pi r^3$$
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Among the following mixtures, dipole-dipole as the major interaction, is present in
A
benzene and ethanol
B
acetonitrile and acetone
C
KCl and water
D
benzene and carbon tetrachloride
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