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

201. How is osmotic pressure related to the concentration of the solution?

153 Views

202. What are azeotropic solutions?

161 Views

203. Write the mathematical expression relating the molality and the relative lowering of vapour pressure for a dilute solution.

198 Views

204. Define osmatic pressure.

158 Views

205. State Raoult’s layer for a binary solution containing volatile components.

458 Views

206. Two liquids A and B boil at 145⁰C and 190⁰C respectively. Which of them has higher vapour pressure at 90⁰C.

165 Views

207. Of 0.1 molal solutions of glucose and NaCl respectively which one will have a higher boiling point?

556 Views

208. Give reason when 30 ml of ethyl alcohol an 30 ml of water are mixed, the volume of resulting solution is more than 60 ml.

Answer:

It is because ethyl alchol and water do not form an ideal solution the intermolecular forces of attraction are weak so the molecules will become far apart from each other hence volume wll increase.

566 Views

209. Draw a suitable labelled diagram to express the relationships for ideal solutions of A and B between vapour pressures and mole-fractions of components at constant temperature.

195 Views

210. Show graphically that freezing point of a liquid will be depressed when a non-volatile solute is dissolved in it.

253 Views