Colligative Properties and Abnormal Molecular Masses - Free MCQ Practice
MCQ Practice Test & Solutions: Test: Colligative Properties and Abnormal Molecular Masses (15 Questions)
You can prepare effectively for JEE Chemistry for JEE Main & Advanced with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Colligative Properties and Abnormal Molecular Masses". These 15 questions have been designed by the experts with the latest curriculum of JEE 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 20 minutes
- - Number of Questions: 15
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What is the van't Hoff factor of Ferric Sulphate (Assume 
ionization)
ionization)Detailed Solution: Question 1
(complete ionization) Relative lowering of vapour pressure is directly proportional to
Detailed Solution: Question 2
When common salt is dissolved in water:
Detailed Solution: Question 3
Camphor is used as solvent to determine the molecular mass of non-volatile solute by Rast method because for camphor
Detailed Solution: Question 4
of an aqueous solution of a protein contains its 
. The osmotic pressure of this solution at 
is found to be 
bar. The molar mass of protein will be 
Detailed Solution: Question 5
The difference between the boiling point and freezing point of an aqueous solution containing sucrose (molecular 
in 
of water is 
. If 
and 
of water are 
and 
respectively, the weight of sucrose in the solution is about
in of water is . If and of water are and respectively, the weight of sucrose in the solution is aboutDetailed Solution: Question 6
i.e., 
moles in 
water
moles in 
water
A solution containing 1.8 g of a compound (empirical formula CH2O) in 40 g of water is observed to freeze at −0.465∘C. The molecular formula of the compound is (Kf of water = 1.86 kg K mol−1)
Detailed Solution: Question 7
Freezing point of an aqueous solution is 
. If the values of 
and 
of water are respectively 
and 
, then the elevation of boiling point of the solution in 
is
Detailed Solution: Question 8
If the elevation in boiling point of a solution of 
of solute 
. wt. 
in 
of water is 
, the ebullioscopic constant of water is
of solute . wt. in of water is , the ebullioscopic constant of water isDetailed Solution: Question 9
Which one of the following statements is incorrect?
Detailed Solution: Question 10
and 
atm are the osmotic pressures of 
(mass/volume) solutions of urea, fructose, sucrose and 
respectively at certain temperature. The correct order of their magnitudes is :
Detailed Solution: Question 11
;
(effective)
Which of the following has been arranged in the increasing order of freezing point?
Detailed Solution: Question 12
, higher the 
value and lower the freezing point.
1.0 
aqueous solution of 
freezes at 
. Assuming complete ionization of the hydrated complex, which of the following isomers conforms to the observation 
for water 
?
Detailed Solution: Question 13
A living cell contains a solution which is isotonic with 
glucose solution. What osmotic pressure develops when the cell is placed in 
solution at 
Detailed Solution: Question 14
ionized 
number of ions afterionization 
A solution of 0.5 g of a solute (molar mass = 150 g mol−1) in 50 g of a solvent yields a boiling point elevation of 0.40 K. Another solution of 0.60 g of an unknown solute in the same mass of solvent exhibits a boiling point elevation of 0.8 K. The molar mass of unknown solute is :
Detailed Solution: Question 15
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