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Tulane University
Inorganic Chemistry
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Dr.  Mark J. Fink
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CHEM 724- Inorganic Structure and Bonding

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This web page was last edited on:  10/06/98

Laboratory Page

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Click here to view (and then print) the Inorganic Chemistry Laboratory Syllabus

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Entire Inorganic Chemistry Laboratory Manual

*****    Safety Regulations   *****

Experiment 1

Synthesis of a Solid Acid

• Synthesis of 12-Tungstosilicic Acid: (H₄SiW₁₂O₄₀•7H₂O)

• Quantitative Analysis for acidic protons in the above material

• Determination of catalyitic activity

Supplimental Materials for Experiment 1

Experiment 2

Tin(IV) Halides

• Synthesis of Tin (IV) Chloride: (SnCl₄) & Tin (IV) Iodide: (SnI₄)

• Determine Solubility in various solvents

• Determine Stability towards oxidation, reduction, and complexation (adduct formation)

• Supplimental Materials for Experiment 2

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Experiment 3

Redox Chemistry of Chromium

• Synthesis of Chromium (II) Acetate: Cr₂(C₂H₃O₂)₄•2H₂O

• Determination of Chromium content via UV-vis spectraphotometry

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Experiment 4

Coordination Complexes of Cobalt (III) Amine Complexes

• Synthesis and Analysis of Tetraaminecarbonatocobolt (III) Nitrate:  [Co(NH₃)₄CO₃]NO₃ & Pentaaminechlorocobolt:  (III) Chloride: [Co(NH₃)₅Cl]Cl₂

• Determination of ionic structure via conductivity

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Experiment 5

Complex Ion Composition by Job's Method

• Preparation of several 1,2-diaminoethane(ethylenediamine)nickel (II) complexes: Ni(H₂O)_4-2x(H₂NCH₂CH₂NH₂)_x²⁺ + (2+2x)H₂O

• Determination of extent of complex formation via Job's Method (UV-vis spectrophotometry)

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Experiment 6

Influence of Ligand Field Tetragonality on the Ground State Spin of Nickel (II) Complexes

• Preparation of di-N,N-diethylethylenediaminedithiocyanatenickel (II):  Ni[(C₂H₅)NCH₂CH₂NH₂](NCS)₂, di-N,N-diethylethylenediaminediiodonickel (II):  Ni[(C₂H₅)NCH₂CH₂NH₂]I₂, di-N,N-diethylethylenediaminedichloronickel (II):  Ni[(C₂H₅)NCH₂CH₂NH₂]Cl₂, and di-N,N-diethylethylenediaminedibromonickel (II):  Ni[(C₂H₅)NCH₂CH₂NH₂]Br₂

• Determination of Magnetic Susceptibility of the above compounds

• Calculation of Magnetic Moment of the above compounds

Experiment 7

Structural, Electrical, and Magnetic Properties of Ceramic Perovskites

Preparation of Yttrium barium copper oxide:   YBa₂Cu₃O₇, Calcium manganese oxide:  CaMnO₃, Lanthanum strontium manganese oxide:  La_0.85Sr_0.15MnO₃, and Lanthanum strontium manganese oxide:  La_0.7Sr_0.3MnO₃

Observe magnetic behavior at various temperatures of the above compounds

Determine resistance versus temperature of the above compounds

Determine X-ray powder diffraction (XRD) of one of the above compounds and compare to a standard spectrum

Notes on the use of of the "Spec 20" spectrophotometer

Notes on the use of the Conductivity Meter

Useful Scientific Constants

Periodic Table of the Elements

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