Inorganic Chemistry                                                                      24 hrs{C}

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Quantitative Analysis: Gravimetric Analysis ( Any Three)

a)  Estimation of Cu as CuSCN,

b)  Estimation of Zn as Zinc ammonium phosphate,

c)  Estimation of Pb as PbCrO₄                                                                           

d)  Estimation of Ni as Ni(DMG)₂

Organic Chemistry                                                                                                               

Qualitative Analysis: Chromatographic Techniques

Thin Layer Chromatography

a)      Separation of 2,4 –dinitrophenylhydrazones of acetone, 2-butanone, hexan-2- one and hexane-3-one using toluene and light petroleum (40:60).

b)      Separation of green leaf pigments (spinach leaves may be used).

Ascending paper chromatography

a)      Separation of green leaf pigments (spinach leaves may be used).

Circular paper chromatography

a)      Separation of amino acids or carbohydrates.

Physical Chemistry   (Any four)                                                   24 hrs

a)      To determine the mutual solubility curve of phenol – water system and their consolute point.

b)      To study the effect of a solute (NaCl/succinic acid) on the critical solution temperature of two partially miscible liquids (e.g. phenol-water system) and to determine the concentration of that solute in the system.

c)    To determine the transition temperature of given substance by thermometric method.

d)   Titration of acetic acid against NaOH pH metrically.

e) Determination of solubility and solubility product of sparingly soluble salt , silver chloride.

f) Determination of cell constant of a given cell.