MHT-CET SERIES Chemistry
Colligative Properties
15 previous year questions.
Volume: 15 Ques
Yield: Medium
High-Yield Trend
3
2025 5
2024 4
2020 1
2019 1
2009 1
2008 Chapter Questions 15 MCQs
01
PYQ 2008
medium
chemistry ID: mht-cet-
Solutions , , and are respectively glucose, , and . Which one of the following pairs is isotonic ?
1
and
2
and
3
and
4
and
02
PYQ 2009
easy
chemistry ID: mht-cet-
The percentage (by weight) of sodium hydroxide in a molal solution is
1
2
3
4
03
PYQ 2019
medium
chemistry ID: mht-cet-
The elevation in boiling point of molal aqueous solution of a substance is
1
2
3
4
04
PYQ 2020
medium
chemistry ID: mht-cet-
Identify 'A' in the following reaction:
H CH ) Cd 2 CH -C-CH -C H + CdCl } \)
1
CH -Mg-Cl
2
C H -CO-Cl
3
CH -CO-Cl
4
C H -CH -Cl
05
PYQ 2020
medium
chemistry ID: mht-cet-
38.4 g of an unknown substance (molar mass ) and 116 g of acetone are used to prepare a solution at 313 K. If vapour pressure of pure acetone (molar mass ) is 0.842 atm, what is the vapour pressure of the solution?
1
0.650 atm
2
0.880 atm
3
0.7999 atm
4
0.958 atm
06
PYQ 2020
medium
chemistry ID: mht-cet-
0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf of water is 1.86 K kg molโปยน, the lowering in freezing point of solution is
1
- 0.56 K
2
- 1.12 K
3
1.12 K
4
0.56 K
07
PYQ 2020
medium
chemistry ID: mht-cet-
What is the value of if 30 g urea (molar mass 60) dissolved in 0.5 dmยณ of water decreases freezing point by 0.15ยฐC?
1
0.15 K kg mol
2
0.030 K kg mol
3
0.30 K kg mol
4
0.015 K kg mol
08
PYQ 2024
medium
chemistry ID: mht-cet-
A solution is prepared by dissolving 10 g of a non-volatile solute in 100 g of water. The freezing point depression of the solution is observed to be 1.5ยฐC. Calculate the cryoscopic constant of the solvent.
1
2
3
4
09
PYQ 2024
medium
chemistry ID: mht-cet-
Arrange the following substances in decreasing order of their boiling points:
1
Water, ethanol, acetone
2
Ethanol, acetone, water
3
Acetone, water, ethanol
4
Water, acetone, ethanol
10
PYQ 2024
medium
chemistry ID: mht-cet-
A 0.1 molal aqueous solution of glucose boils at . The boiling point of a 0.5 molal aqueous solution of glucose will be:
1
2
3
4
11
PYQ 2024
easy
chemistry ID: mht-cet-
What is the depression in the freezing point?
1
2
3
4
12
PYQ 2024
medium
chemistry ID: mht-cet-
For 1 molal aqueous solution of the following compounds, which one will show the highest freezing point?
1
2
3
4
13
PYQ 2025
medium
chemistry ID: mht-cet-
Given the formula for depression of freezing point:
where is the depression of freezing point, is the freezing point depression constant, and is the molality, calculate the value of .
1
2
3
4
14
PYQ 2025
medium
chemistry ID: mht-cet-
Calculate the number of atoms present in 1.58 g metal if it forms bcc structure.
1
2
3
4
15
PYQ 2025
easy
chemistry ID: mht-cet-
Which of the following solutions will show highest freezing point depression?
1
1 M glucose
2
1 M NaCl
3
1 M AlCl3
4
1 M MgCl2