Colligative Properties is an important topic in the Chemistry section in BITSAT exam. Practising this topic will increase your score overall and make your conceptual grip on BITSAT exam stronger.
This article gives you a full set of BITSAT PYQs for Colligative Properties with explanations for effective preparation. Practice of BITSAT Chemistry PYQs including Colligative Properties questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.
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BITSAT PYQs for Colligative Properties with Solutions
1.
The van�t Hoff factor $i$ for an electrolyte which undergoes dissociation and association in solvents are respectively- greater than 1 and greater than 1
- less than 1 and greater than 1
- less than 1 and less than 1
- greater than 1 and less than 1
2.
$K _{ b }$ for water is $0.52\, K / m$. Then $0.1 \,m$ solution of $NaCl$ will boil approximately at:- $100.52^{\circ} C$
- $100.052^{\circ}C$
- $101.04^{\circ}C$
- $100.104^{\circ}C$
3.
The boiling point of water is exceptionally high because- there is a covalent bond between H and O.
- water molecule is linear.
- water molecules associate due to hydrogen bonding.
- water molecule is not linear.
4.
Coolant used in car radiator is aqueous solution of ethylene glycol. In order to prevent the solution from freezing at $-0.3^{\circ} C$. How much ethylene glycol must be added to $5\, kg$ of water ? $\left( K_f =1 \cdot 86\, Kg\, mol ^{-1}\right)$- 50 g
- 55 g
- 45 g
- 40 g
5.
pH of a $0.1\, M$ monobasic acid is found to be $2$. Hence, its osmotic pressure at a given temperature $TK$ is- 0.1 RT
- 0.11 RT
- 1.1 RT
- 0.01 RT
6.
A solution of sucrose (Molar mass = $342\,g/mol$) is prepared by dissolving $68.4\, g$ of it per litre of solution, what is its osmotic pressure ($R = 0.082 \,L$ atom $K^{-1}$ $mol^{-1}$) at $273\, K$?- 3.92 atm
- 4.48 atm
- 5.92 atm
- 29.4 atm
7.
Chloroform, $CHCl _{3}$, boils at $61.7^{\circ} C$. If the $K_{b}$ for chloroform is $3.63^{\circ} C / molal$, what is the boiling point of a solution of $15.0\, kg$ of $CHCl _{3}$ and $0.616\, kg$ of acenaphthalene, $C _{12} H _{10}$ ?- 61.9
- 62
- 52.2
- 62.67
8.
Raoult?s law becomes a special case of Henry?s law when- $K_{H}=p_{1}^{\circ}$
- $K_{H}>p_{1}^{\circ}$
- $K_{H}< p_{1}^{\circ}$
- $K_{H} \geq p_{1}^{\circ}$
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