A 500 cm3 solution containing 33.5 mg of potassium permanganate in a cuvette with a path length of 2 cm show a transmittance at 450 m. If the percentage transmittance is observed to be 10, calculate the molar absorpturity of potassium parmangnate.

How is UV spectrum different in vapour phase from that in solution phase and why? Illustrated your answer.

Why is an electromagnetic radiation called so? Describe its characteristic parameters alongwith the units of measurement

Describe important aspects of capillary electro chromatography

Explain the applications of membrane separations in (i) desalination and water treatment; and (ii) production of table salt.

Briefly explain nano filtration and ultra filtration process.

Briefly explain important properties of gels which can be used for size exclusion chromatography.

Discuss the use of polymers as anion exchangers.

List the advantages of HPLC.

Discuss the salient features of ECD used in gas chromatography.

List the important characteristics of a detector used in gas chromatography.

What are the requirements of carrier gases used in gas chromatography? Which impurities can be present in them and how can they be removed?

List various detection methods used in planar chromatography.

Briefly explain any five applications of liquid column chromatography.

List the requirements for the ideal support material used in liquid-liquid chromatography.

Explain the terms “retention time and retention factor”

Brief explain important aspects of super critical fluid chromatography.

List different criteria used for the choice of organic phase used in extraction/separation of metal ions.

What conclusions can be arrived at from D in the extractions of metal chelates?

Give a brief account of carboxylic and sulphonic acids used in extraction by compound formation.