Q. No.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. |
The correct statement regarding a solution of two components A and B exhibiting positive deviation from ideal behavior 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 |
The type of molecular interactions in a solution of alcohol and water is -
| 1. | Electrostatic interaction | 2. | London dispersion forces |
| 3. | Hydrogen bonding | 4. | Ion-dipole interaction |
The positive deviations from Raoult’s law mean the vapour pressure is:
1. Higher than expected.
2. Lower than expected.
3. As expected.
4. None of the above
The graph, amongst the following, representing positive deviation of vapour pressure is-
| 1. |  |
2. |  |
| 3. |  |
4. | None of the above |
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 a binary ideal liquid solution, the curve that represents the variation in total vapor pressure versus composition of the solution is:
| a. |  |
b. |  |
| c. |  |
d. |  |
The correct option is:
| 1. | a and b | 2. | b and c |
| 3. | c and d | 4. | a and d |
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
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.
The law represented by given graph is -
| 1. | Henry's law | 2. | Raoult's law |
| 3. | Boyle's law | 4. | Charle's law |
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