Trying to find the right answer to this..

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Solutions

Short Answer Type

61. Why is boiling point elevated when a non-volatile solute is added?

Answer:

When non-volatile solute is added, the vapour pressure of solution is less. Therefore, it is to be heated at higher temperature so that it boils, i.e., boiling point is raised.

130 Views

62. The osmotic pressure of polymers (Macro-molecules) are determined by osmotic pressure and not by other colligative properties. Explain.

127 Views

63. What happens when blood cells are placed in pure water?

201 Views

64. What are the factors on which the vapour pressure of a liquid depends?

142 Views

65. State the conditions under which the Raoult’s law holds good.

222 Views

66. What are the different types of azetropes? Give one example of each.

145 Views

67. Give an example of a compound in which hydrogen bonding results in the formation of a dimer.

374 Views

68. State any two characteristics of an ideal solution.

304 Views

69. What are the value ΔH, ΔV and P_total for a solution showing negative deviation from identity? Give one example.

146 Views

70. If the membrane used in determination of osmotic pressure is slight leaking, how will it influence the measured value of osmotic pressure?

382 Views