IIT JEE : Solutions QUESTIONS AND ANSWERS :: part1 : 26 to 30
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
26.1 mole of sugar (non-volatile) is dissolved in two moles of water, the vapour pressure of the solution relative to that of pure solvent is |
| 1/3 |
| 1/2 |
| 2/3 |
| 3/2 |
27.Which of the following shows positive deviation from Raoults law? |
| Acetone and ethyl alcohol |
| Ethyl alcohol and cyclohexane |
| Acetone and chloroform |
| Benzene and toluene |
28.Amount of the substance required to prepare one litre of 2N solution is |
| 3 gm eq. |
| 2 gm. |
| 2 gm eq. |
| 2 gm. Mole |
29.If 5.85 g of NaCl are dissolved in 90 g of water, the mole fraction of the solute is |
| 0.25 |
| 0.12 |
| 1.96 |
| 0.0196 |
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