Answer the following problems.

problem 1) What is quenching? Describe in detail.

problem 2) Narrate the applications of conductometry with reference to

(a) Precipitation titrations

(b) Determination of solubility of

(i) sparingly soluble salt and,

(iii) Ionic product of water.

problem 3) prepare brief notes on the construction of:

(i) Hydrogen electrode and,

(ii) Quinhydrone electrode.

problem 4)i) Describe the principle involved in paper chromatography.

(ii) Narrate the extensively about radial paper chromatography.

problem 5) describe the principle, theory and instrumentation of gas chromatography.

problem 6) What are the different oxidation states exhibited by actinides? Describe.

problem 7) Why lanthanides and actinides give sharp absorption peaks compared to transition elements?

problem 8) prepare a detail note on overtones and combination bands.

problem 9) What are the different types of magnetic behaviour exhibited by materials?

problem 10) describe the basic principle involved in NMR spectroscopy.