- 1(current)
Q. No.The addition of water vapour does not change the density of:
1. CCl4
2. CS2
3. Ether
4. Coke
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe ideal solution indicates:
| 1. | A – B attraction force is greater than A – A and B – B. |
| 2. | A – B attraction force is less than A – A and B – B. |
| 3. | Attraction force remains the same in A – A and B – B. |
| 4. | The volume of the solution is different from the sum of the volume of the solute and solvent. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe vapour pressure of two liquids 'P' and 'Q' are 80 and 60 torr, respectively. The total vapour pressure of the solution obtained by mixing 3 moles of P and 2 moles of Q would be:
1. 68 torr
2. 140 torr
3. 72 torr
4. 20 torr
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA solution has a 1:4 mole ratio of pentane to hexane.
The vapor pressures of the pure hydrocarbons at 20 ºC are
440 mm Hg for pentane and 120 mm Hg for hexane.
The mole fraction of pentane in the vapor phase would be:
| 1. | 0.200 | 2. | 0.478 |
| 3. | 0.949 | 4. | 0.786 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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