problem1) Answer all the problems:

i) What do you understand by Van’t Hoff’s factor.

ii) prepare down the difference between molarity and molality? Describe giving exs.

iii) describe Rault’s law of ideal solutions.

iv) What do you mean by thermo–chemical oscillations.

v) Describe adsorption isotherms.

problem2) Give energy of rigid rotor and non–rigid rotor.

problem3) prepare short notes on :

i) Grottuss Draper’s law.

ii) Stark Einstein law

problem4) Describe temperature method and refraction method for measurement of Dipole moment.