- 1(current)
Q. No.The correct option for the value of vapour pressure of a solution at 45 C with benzene to octane in a molar ratio 3:2 is:
[At 45 C vapour pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]
| 1. | 336 mm of Hg | 2. | 350 mm of Hg |
| 3. | 160 mm of Hg | 4. | 168 mm of Hg |
Subtopic: Raoult's Law |
78%
Level 2: 60%+
NEET - 2021
Hints
The mixture that shows positive deviation from Raoult's law is:
1. Benzene + Toluene
2. Acetone + Chloroform
3. Chloroethane + Bromoethane
4. Ethanol + Acetone
Subtopic: Raoult's Law |
70%
Level 2: 60%+
NEET - 2020
Hints
For an ideal solution, the correct option is:
1. at constant T and P
2. at constant T and P
3. at constant T and P
4. at constant T and P
Subtopic: Raoult's Law |
83%
Level 1: 80%+
NEET - 2019
Hints
Links
The correct statement regarding a solution of two components A and B exhibiting positive deviation from ideal behaviour is :
| 1. | Intermolecular attractive force between A-A and B-B are stronger than those between A-B |
| 2. | ∆mixH = 0 at constant T and P |
| 3. | ∆mixV = 0 at constant T and P |
| 4. | Intermolecular attractive forces between A-A and B-B are equal to those between A-B |
Subtopic: Raoult's Law |
86%
Level 1: 80%+
NEET - 2019
Hints
The incorrect statement among the following for an ideal solution is:
1. \(\Delta H_{\text{Mix}}=0\)
2. \(\Delta U_{\text{Mix}}=0\)
3. \(\Delta P=P_{\text{obs.}}-P_{\text{(Calculated by Raoult's law)}}=0\)
4. \(\Delta G_{\text{Mix}}=0\)
1. \(\Delta H_{\text{Mix}}=0\)
2. \(\Delta U_{\text{Mix}}=0\)
3. \(\Delta P=P_{\text{obs.}}-P_{\text{(Calculated by Raoult's law)}}=0\)
4. \(\Delta G_{\text{Mix}}=0\)
Subtopic: Raoult's Law |
82%
Level 1: 80%+
NEET - 2016
Hints
Links
- 1(current)
Q. No.
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