1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Of the following which one is classified as polyester polymer?
A
Terylene
B
Bakelite
C
Melamine
D
Nylon-6,6
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The freezing point depression constant for water is $$-$$1.86o C m$$-$$1. If 5.00 g Na2SO4 is dissolved in 45.0 g H2O, the freezing point is changed by $$-$$3.82oC. Calculate the van't Hoff factor for Na2SO4.
A
2.05
B
2.63
C
3.11
D
0.381
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The van't Hoff factor $$i$$ for a compound which undergoes dissociation in one solvent and association in other solvent is respectively
A
less than one and greater than one
B
less than one and less than one
C
greater than one and less than one
D
greater than one and greater than one.
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Standard electrode potential of three metals X, Y and Z are $$-$$1.2 V, + 0.5 V and $$-$$ 3.0 V respectively. The reducing power of these metals will be
A
Y > Z > X
B
Y > X > Z
C
Z > X > Y
D
X > Y > Z
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