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
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