1
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate Henry's law constant if solubility of gas in water at $25^{\circ} \mathrm{C}$ is $5.14 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3}$ and partial pressure of the gas is 0.75 bar above solution.

A
$6.85 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{bar}^{-1}$
B
$5.14 \times 10^{-4} \mathrm{moldm}^{-3} \mathrm{bar}^{-1}$
C
$1.028 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{bar}^{-1}$
D
$1.371 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{bar}^{-1}$
2
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A solution of nonvolatile solute is obtained by dissolving 0.8 g in $0.3 \mathrm{dm}^3$ water has osmotic pressure 0.2 atm at 300 K . Calculate the molar mass of solute.

$$\left[\mathrm{R}=0.082 \mathrm{~atm} \mathrm{dm}^3 \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]$$

A
$300 \mathrm{~g} \mathrm{~mol}^{-1}$
B
$340 \mathrm{~g} \mathrm{~mol}^{-1}$
C
$328 \mathrm{~g} \mathrm{~mol}^{-1}$
D
$352 \mathrm{~g} \mathrm{~mol}^{-1}$
3
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a solution, mole fraction of solute is 0.2 , when lowering in vapour pressure is 10 mm Hg . To get lowering of vapour pressure of 20 mm Hg , mole fraction of solute in solution is

A
0.2
B
0.4
C
0.6
D
0.8
4
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following solutions will not show flow of solvent in either direction when separated by semipermeable membrane?

A
6 g urea $\mathrm{dm}^{-3}$ and 85.5 g sucrose $\mathrm{dm}^{-3}$
B
15 g urea dm ${ }^{-3}$ and 34.2 g sucrose $\mathrm{dm}^{-3}$
C
6 g urea dm ${ }^{-3}$ and 34.2 g sucrose $\mathrm{dm}^{-3}$
D
15 g urea $\mathrm{dm}^{-3}$ and 171 g sucrose $\mathrm{dm}^{-3}$
MHT CET Subjects
EXAM MAP