1
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify false statement form following.

A
The boiling point of solution containing non volatile solute is always higher than pure solvent.
B
At any temperature the vapour pressure of solution containing non volatile solute is lower than that of pure solvent.
C
The boiling point of liquid is the temperature at which its vapour pressure equals atmospheric pressure.
D
The molal elevation constant is the boiling point elevation produced by 1 molar solution.
2
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate van't Hoff factor of 0.2 m aquesous solution of an electrolyte if it freezes at $-$0.7 K $\left[\mathrm{K}_{\mathrm{f}}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]$

A
1.304
B
1.123
C
1.432
D
1.882
3
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the molar mass of non volatile solute when 5 g of it is dissolved in 50 g solvent, boils at $119.6^{\circ} \mathrm{C}$. $\left[\mathrm{K}_{\mathrm{b}}=3.2 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right.$, boiling point of pure solvent $=118^{\circ} \mathrm{C}$ ].

A
$180 \mathrm{~g} \mathrm{~mol}^{-1}$
B
$210 \mathrm{~g} \mathrm{~mol}^{-1}$
C
$200 \mathrm{~g} \mathrm{~mol}^{-1}$
D
$190 \mathrm{~g} \mathrm{~mol}^{-1}$
4
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify an example of solution that consists of solid as solute and liquid as solvent.

A
Sea water
B
Bronze
C
Carbonated water
D
Chloroform in nitrogen
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