Prof. Ahmed Mohamed Abu-Dief

Professor - Professor of Physical and Inorganic Chemistry

Faculty of science

Address: Behind hospital of Sohag University - Ali Ebn Abi Taleb Street

356

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Electron Rule-18

2018-12-20 08:36:30 | 0 | Organometallic Chemistry

_WHICH METAL CENTRE DOES NOT OBEY THE 18-ELECTRON RULE?_ _ _ Fe in Fe(η5-C5H4COMe)2 Co in Co2(CO)8 Ru in [Ru(η6-C6Me6)2]2+ V in V(CO)6 Read more

Carbonyl compounds

2018-12-20 08:23:57 | 1 | Organometallic Chemistry

_WHICH STATEMENT IS INCORRECT ABOUT CO LIGANDS?_ _ _ A CO ligand can accept electrons into its _π_* MO; this weakens the C–O bond In the IR spectrum of Fe(CO)5, absorptions assigned to the CO stretching modes are at higher wavenumber than that of free CO CO ligands can adopt terminal, μ and μ3 bonding modes; the amount of back ... Read more

Valence bond theory

2018-12-15 11:08:42 | 1 | Advanced coordination chemistry

Based on the principles of valence bond theory, which of the following would be the hybridization of the bonding orbitals of the copper atom in [CuNH3Cl5]3− A spd B sp3d2 C sp3 D sp3d5 Read more

Write on

2018-11-11 17:39:29 | 23 | Selections in Inorganic Chemistry

WRITE ON APPLICATION OF ORGANOMETALLIC COMPOUNDS AS ZIEGLER-NATA ?POLYMERIZATIONS AND WATER GAS REACTIONS ?WRITE ON THE EFFECT OF TEMPERATURE ON SUPERCONDUCTIVITY OF ALLOYS Read more

Discuss the following:

2018-11-11 17:36:39 | 3 | Selections in Inorganic Chemistry

DISCUSS THE RELATION BETWEEN FORMATION OF MOLECULAR ORBITALS AND CONDUCTIVITY OF MATERIALS? DISCUSS" LIFE IS INORGANIC TOO" EXPLAIN IN TERMS OF IMPORTANCE OF METALS IN BIOLOGICAL SYSTEMS REFERRING TO METALLO PORPHYRINS, CHLOROPHYLL AND HEME PROTEINS? Read more