Q. No.Points A and B in the below-mentioned graph represent, respectively:
| 1. | Partial pressures of first and second components |
| 2. | Vapour pressures of the pure second and first components |
| 3. | Partial pressures of second and first components |
| 4. | Vapour pressures of the pure first and second components |
A solution of acetone in ethanol:
1. Shows a negative deviation from Raoult's law.
2. Shows a positive deviation from Raoult's law.
3. Behaves like a near ideal solution.
4. Obeys Raoult's law.
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. \(\Delta G_{\text{Mix}}=0\)
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
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 |
Select the correct option based on statements below:
| Assertion (A): | C2H5I and C2H5Br form an ideal solution. |
| Reason (R): | The interaction between the components are similar to those in the pure components. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
1. Benzene + Toluene
2. Acetone + Chloroform
3. Chloroethane + Bromoethane
4. Ethanol + Acetone
The law represented by given graph is -
| 1. | Henry's law | 2. | Raoult's law |
| 3. | Boyle's law | 4. | Charle's law |
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
The graph, amongst the following, representing positive deviation of vapour pressure is-
| 1. |  |
2. |  |
| 3. |  |
4. | None of the above |
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