Inorganic Chemistry Lab




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Course Contents

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 hexamminecobalt(III) chloride and pentammineaquocobalt(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 oftrans-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 organo cobaloximes  

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



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  1. Roesky, H. W.; Möckel, K., Chemical curiosities: spectacular experiments and inspired quotes, VCH, 1996.
  2.  Hand-outs prepared for the laboratory experiments: collections from various literature sources



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