1
NEET 2022 Phase 2
+4
-1

KH value for some gases at the same temperature 'T' are given :

Gas K$$_H$$/k bar
Ar 40.3
CO$$_2$$ 1.67
HCHO 1.83 $$\times$$ 10$$^{ - 5}$$
CH$$_4$$ 0.413

where KH is Henry's Law constant in water. The order of their solubility in water is :

A
HCHO < CH4 < CO2 < Ar
B
Ar < CO2 < CH4 < HCHO
C
Ar < CH4 < CO2 < HCHO
D
HCHO < CO2 < CH4 < Ar
2
NEET 2021
+4
-1
The following solutions were prepared by dissolving 10 g of glucose (C6H12O6) in 250 ml of water (P1), 10 g of urea (CH4N2O) in 250 ml of water (P2) and 10 g of sucrose (C12H22O11) in 250 ml of water (P3). The right option for the decreasing order of osmotic pressure of these solutions is :
A
P3 > P1 > P2
B
P2 > P1 > P3
C
P1 > P2 > P3
D
P2 > P3 > P1
3
NEET 2021
+4
-1
The correct option for the value of vapour pressure of a solution at 45$$^\circ$$C with benzene to octane in molar ratio 3 : 2 is :

[At 45$$^\circ$$C vapour pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]
A
350 mm of Hg
B
160 mm of Hg
C
168 mm of Hg
D
336 mm of Hg
4
NEET 2020 Phase 1
+4
-1
The freezing point depression constant (Kr) of benzene is 5. 12 K kg mol-1. The freezing point depression for the solution of molality 0.078 m containing a non-electrolyte solute in benzene is rounded off upto two decimal places :
A
0.80 K
B
0.40 K
C
0.60 K
D
0.20 K
EXAM MAP
Medical
NEET