Inorganic Chemistry Laboratory-II (CHM 443)


  • Invisible ink Utilization of coordination chemistry to demonstrate invisible ink in laboratory.

  • Color effects due to ligand-exchange in nickel complexes Demonstration of ligand-field strength in the spectrochemical series.

  • Color effects in aqueous systems containing divalent 3d metal ions Demonstration of crystal-field splitting parameters of 3d metal ions.

  • Acidic and basic salts Hydrolysis of salts and its consequences.

  • Preparation of nitro- and nitrito-pentamminecobalt(III) chloride Linkage isomers: synthesis and identification using various spectroscopic techniques.

  • The preparation of hexammine cobalt(III) chloride and pentammineaquo cobalt(III) chloride Synthesis, isolation and characterization of the complex.

  • The preparation of cis- and trans-potassiumdioxalatodiaquochromate(III) Geometrical isomers: synthesis and identification using various spectroscopic techniques.  

  • Aquation of trans-dichloro-bis(1,2-diamminoethane) cobalt(III) chloride Investigation of acid hydrolysis of the complex.

  • The preparation and resolution of tris(ethylenediamine) cobalt(III) ion into its optical antipodes Optical isomers: synthesis, isolation and characterization.

  • Preparation of hexamminenickel(II) chloride: estimation of ammonia and nickel by titrimetric and gravimetric methods Determination of complex composition using simple techniques.

  • Synthesis and reactions of organocobaloximes Synthesis of an air-sensitive organometallic complex at low temperature under inert atmosphere.

  • Synthesis and characterization of ferrocene and acetylferrocene Synthesis, purification using chromatography and characterization.

Suggested books:

  • Roesky, H. W.; Möckel, K., Chemical curiosities: spectacular experiments and inspired quotes, VCH, 1996.

  • Hand-outs prepared for the laboratory experiments: collections from various literature sources