1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
During osmosis, flow of water through a semipermeable membrane is
A
from solution having lower concentration only
B
from solution having higher concentration only
C
from both sides of semipermeable membrane with equal flow rates
D
from both sides of semipermeable membrane with unequal flow rates.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A solution of acetone in ethanol
A
obeys Raoult's law
B
shows a negative deviation from Raoult's law
C
shows a positive deviation from Raoult's law
D
behaves like a near ideal solution.
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A solution containing 10 g per dm3 of urea (molecular mass = 60 g mol$$-$$1) is isotonic with a 5% solution of a nonvolatile solute is
A
200 g mol$$-$$1
B
250 g mol$$-$$1
C
300 g mol$$-$$1
D
350 g mol$$-$$1
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A solution of urea (mol. mass 56 g mol$$-$$1) boils at 100.18oC at the atmospheric pressure. If Kf and Kb for water are 1.86 and 0.512 K kg mol$$-$$1 respectively, the above solution will freeze at
A
0.654oC
B
$$-$$ 0.654oC
C
6.54oC
D
$$-$$6.54oC
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