Laboratory Course

Inorganic Chemistry                                                                          12 hrs

Calibration of fractional weights, pipettes and burettes, preparation of standard solutions, dilution – 0.1 M to 0.001 M solutions, buffer solutions.

Quantitative Analysis: Volumetric Analysis (Anyfour)                                                       

1. Iodometry titration – Determination of strength of CuSO₄ solution using sodium thiosulphate.
2. Redox titrations –       

             (a) Determination of strength of ferrous sulphate solution using K₂Cr₂O₇

(b) Estimation of ferrous (Fe⁺²) and ferric (Fe⁺³) ion by dichromate method.

3. Acid-base titration –    

      (a) Determination of acetic acid in commercial vinegar using NaOH.

(b) Determination of strength of acid from the mixture of strong acid and           weak acid (e.g. H₂SO₄ and H₃PO₄).

(c) Determination of strength of sodium carbonate and NaOH in the mixture       of washing soda and NaOH with HCl using phenolphthalein and methyl           red indicator.

4. Complexometric titration – Estimation of hardness of water by EDTA (Temporary and permanent.

Organic Chemistry                                                                                 38 hrs

Qualitative Analysis                                                                           

Detection of elements (Nitrogen, Sulphur and Halogens) and functional groups (phenols, alcohols, carboxylic acid, carbonyl, ester, carbohydrate, amine, amide and nitro) in simple organic compounds and determination of their melting/boiling points.

Physical Chemistry                                                                             10 hrs

(a) Titration of acetic acid against NaOH pH metrically.

(b) Determination of solubility and solubility product of a sparingly soluble salt (lead sulfate/barium sulfate / silver chloride / calcium sulfate / lead chromate) by conductance measurement

(c) i) Determination of cell constant of a given cell.

     ii) Determination of specific and equivalent conductance of the given                 electrolyte (NaCl) at different dilutions