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Description
Low oxidation states of products of reactions of the transition metals, Cr, Ni and Co with strong field ligands and the nature of the bonding.
Low oxidation states of products of reactions of the transition metals, Cr, Ni and Co with strong field ligands and the nature of the bonding.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 15 |
| First transmission date: | 1978 |
| Published: | 1978 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
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| Producer: | Barrie Whatley |
| Contributors: | Stuart Bennett; David Johnson |
| Publisher: | BBC Open University |
| Keyword(s): | 19th century; Bonding; Complexes; Gold cyanide process; Imperial College of Science and Technology; Inorganic Chemistry Department; Lean ores; Low oxidation states; Nickel carbonyl process; Strong field ligands |
| Footage description: | Footage - Oxidation state chart. Fluorides & oxides. Ligands. Spectrochemical series (0'01"-1'50") - Diagram of bipyridyl. Octahedron complex (2'17"-2'36") - Chromium experiment (2'37"-3'12") - Spectrochemical series. Oxidation state chart (3'13"-3'42") - Diagram of triethylphosphite. Reaction of triethylphosphite & diethylamine (4'00"-5'11") - Reaction of carbon monoxide & pink cobalt (II) carbonate in petroleum ether solution. Bomb. Pressure intensifier. Solid dicobalt oxtacarbonyl. Graphic of dicobalt complex (5'45"-9'22") - Reduction of cobalt in oxidation state zero (9'23"-10'11") - Symmetry of the metal d orbital. Diagram of ligand p, ligand d, anti-bonding orbitals (11'47"-12'24") - Diagram of carbon monoxide orbitals (12'32"-13'08") - Energy level diagram (13'18"-13'52") - Spectrochemical series. Orbitals (14'03"-14'44") - Formation of nickel carbonyl. Nickel carbonyl crystals (15'54"-17'49"). Gold ore (18'57"-19'08") - Formula of reaction of gold oxidised to oxidation state +1. Formula with cyanide added (19'33"-20'14") - Extraction of gold from crushed ore (20'50"-24'00"). |
| Master spool number: | 6HT/72158 |
| Production number: | 00525_1205 |
| Videofinder number: | 870 |
| Available to public: | no |
