1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A solution contains non volatile solute of molecular mass M2. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure?
A
$${M_2} = \left( {{{{m_2}} \over \pi }} \right)VRT$$
B
$${M_2} = \left( {{{{m_2}} \over V}} \right){{RT} \over \pi }$$
C
$${M_2} = \left( {{{{m_2}} \over V}} \right)\pi RT$$
D
$${M_2} = \left( {{{{m_2}} \over V}} \right){\pi \over {RT}}$$
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
2.5 litre of 1 M NaOH solution is mixed with another 3 litre of 0.5 M NaOH solution. Then find out molarity of resultant solution.
A
0.80 M
B
1.0 M
C
0.73 M
D
0.50 M
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Pure water can be obtained from sea water by
A
centrifugation
B
plasmolysis
C
reverse osmosis
D
sedimentation
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
From the colligative properties of solution, which one is the best method for the determination of molecular weight of proteins and polymers?
A
Osmotic pressure
B
Lowering in vapour pressure
C
Lowering in freezing point
D
Elevation in boiling point
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