CH-222 : CHEMISTRY PRACTICAL (Based on CH-221)
PHYSICAL CHEMISTRY EXPERIMENTS (Any Five)……………….9 to 36
1. Determination of molecular weight of solute (acetanilide / m- dinitrobenzene
/ sulphur) by depression of freezing point method.
2. Determination of molecular weight of non-volatile solute (KCl/ BaCl2/
Urea) by using Landsberger’s apparatus.
3. To determine equivalent weight of Zn/ Mg by Eudiometer.
4. Construction of Daniell cell and to determine thermodynamic parameters ΔG, ΔH, ΔS of the cell.
5. Calibration of volumetric apparatus Pipette / Volumetric flask.
6. To determine pKa value of the given organic acid by pH measurements.
GRAVIMETRIC ANALYSIS (Any Two)……………………………………37 to 45
1. Estimation of Ni as Ni-DMG (by Counterpoise method)
2. Estimation of Ba as BaSO4 (by Ignition using filter paper)
3. Estimation of Pb as PbCrO4 (by Gooch crucible / counterpoise method).
INORGANIC PREPARATION (Any Three)……………………………….46 to 52
1. Tetramine Cu (II) sulphate.
2. Hexamine Ni (II) chloride.
3. Ferrous ammonium sulphate (Mohr’s salt).
4. Preparation of Potassium trioxalato chromate (III) complex

CH-227 CHEMISTRY PRACTICAL (Based on CH-226)
ORGANIC QUALITATIVE ANALYSIS (Any Five)………………….55 to 76
ANALYTICAL CHEMISTRY EXPERIMENTS (Any Three)…….77 to 90
1. Separation of mixture of o-nitro aniline and p-nitro aniline by thin
layer chromatography and to determine their Rf values.
2. Separation of mixture of any two amino acids by paper chromatography.
3. Preparation of 0.1 N Na2CO3 solution and standardization of HCl solution.
4. Preparation of 0.1 N Oxalic acid solution and standardization of KOH solution.
5. Preparation of 0.1 N potassium hydrogen phthalate solution and standardization of NaOH solution.
PURIFICATION TECHNIQUES (Any Two)…………………………….91 to 96
1. Purification of given organic compound by recrystallisation
2. Purification of given organic compound by sublimation.
3. Purification of given organic liquid by distillation