Dr. Ahmed Mohammed Abu-Dief Mohammed

Assistant Professor - Assistant professor of Inorganic and Physical Chemistry

Faculty of science

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



Organometallic Chemistry

2018-08-13 13:06:47 |

   This course is teached for 4th year  Chemistry  group

The attached file showes course specification, aims of the course and educational outputs of the course. Below you can see course content

Course Content

  • Organometallic compound and Coordination compound
  • Tans effect
  •  Soft and hard ligands and effect of donor atom

  • Electroneutrality principle
  • Carbonyl complexes
  • Synthesis of Carbonyl complexes
  • Reactions of Carbonyl compounds

  • Alkene and Alkyne Complexes
  • Allyl Complexes
  • Diene Complexes
  • Cyclopentadienyl Complexes (Cp)
  • Cyanide ion complexes
  • Hydride complexes
  • Catalytic applications of organometallic compounds

2018-09-17 08:17:34 | Organometallic Chemistry
Hard and Soft ligands
Compare between hard and soft ligands with examples ?... Read more

2018-09-17 08:20:10 | Organometallic Chemistry
Coordination compound and organometallic compound
Defferentiate between organometallic and Coordination compounds with examples?... Read more

2018-10-04 08:25:49 | Organometallic Chemistry
Wave number values of carbonyl group

2018-10-20 07:41:25 | Organometallic Chemistry
EAN Rule
Show how EAN rule is valid towards the midlle of the row of metals of low oxidation states?... Read more

2018-10-27 06:06:16 | Organometallic Chemistry
Check possible reaction
Check the possible reaction between the following pairs: * Fe3+ and CO * Co3+ and P * Fe(0) and CO... Read more

2018-10-27 14:52:02 | Organometallic Chemistry
How the hapaticity differs for the same compound with example?... Read more

2018-12-20 08:23:57 | Organometallic Chemistry
Carbonyl compounds
_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 ... Read more

2018-12-20 08:36:30 | Organometallic Chemistry
Electron Rule-18
_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

2018-12-20 08:45:50 | Organometallic Chemistry
Reaction of carbonyl Compounds
_THE REACTION: MN(CO)5ME + CO __THE REACTION: MN(CO)5ME + CO __THE REACTION: MN(CO)5ME + CO __→__ MN(CO)5(COME) IS AN EXAMPLE OF:__ MN(CO)5(COME) IS AN EXAMPLE OF:__ MN(CO)5(COME) IS AN EXAMPLE OF:_ _ _ a ligand addition a β-elimination an oxidative addition an alkyl migration... Read more

2018-12-20 11:29:01 | Organometallic Chemistry
Alkyl group
How many electrons do alkyl groups typically contribute to the valence electron count? A 0 ------------------------- B 1 ------------------------- C 2 ------------------------- D 3... Read more

2018-12-20 11:38:41 | Organometallic Chemistry
Stability of Organometallic compounds
What valence electron count is usually associated with stability when thinking about transition metal organometallic complexes? A 12 ------------------------- B 14 ------------------------- C 16 ------------------------- D 18... Read more

2018-12-20 13:51:27 | Organometallic Chemistry
Oxidation state
1. What are oxidation states of metal ion in following complexes? I. PdCl2 II. Pd(PPh3)4 III. Pd(OAc)2 IV. ArPdBr where Ar is aryl a) 2, 4, 2, 2 b) 2, 0, 2, 1 c) 2, 0, 2, 2 d) 0, 0, 0, 2... Read more

2018-12-20 14:43:09 | Organometallic Chemistry
Oxidation state 2
* What is the oxidation state of molybdenum in [η7-tropylium) Mo(CO)3]+? a) +2 b) +1 c) 0 d) -1... Read more

2018-12-20 14:54:38 | Organometallic Chemistry
18- electron rule2
Which of the following is the neutral complex which follows the 18- electron rule? a) (η5-C5H5)Fe(CO)2 b) (η5-C5H5)2Mo(CO)3 c) (η5-C5H5)2Co d) (η5-C5H5)2Re(η6-C6H6)... Read more

2018-12-20 15:34:54 | Organometallic Chemistry
Easy oxidation
Which of the following complexes show easy oxidation? a) (η5-C5H5)2Fe b) (η5-C5H5)2Ru c) (η5-C5H5)2Co d) (η5-C5H5)2Co+... Read more

2018-12-21 13:49:06 | Organometallic Chemistry
NO ligand
The cationic model of NO is isoelectronic with CO in formation of …………… [a- σ bond b- π donation c- both a and b d- none] with the metal.... Read more

2018-12-21 15:05:00 | Organometallic Chemistry
What does hapticity refer to in organometallic chemistry? A - The chemical potential of the +3 oxidation state of the metal center vs the +1 oxidation state. B - The number of electrons donated to the metal center by a ligand. C- The number of ligands surrounding a metal center. D- The reductio... Read more

2018-12-30 16:03:10 | Organometallic Chemistry
metal-bound arene ring
WHICH OF THE FOLLOWING STATEMENTS IS CORRECT ABOUT THE METAL-BOUND ARENE RING IN (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? (Η6-C6H6)CR(CO)3? a- The metal-bound ring is m... Read more

2018-12-30 16:35:25 | Organometallic Chemistry
Stability of Organometallic compounds2
Put true or false Cyclopentadiene is more stable than cyclopentadienyl in their organometallic compounds ( )... Read more

18-electron rule

2018-09-19 06:57:02 Organometallic Chemistry
The rule states that thermodynamically stable transition metal organometallic compounds are formed when the sum of the metal d electrons and the electrons conventionally Read more

Metal carbonyl

2018-10-04 09:12:01 Organometallic Chemistry
The attachment shows wave number of CO in organometallic compounds Read more

Carbon Monoxide and backbonding

2018-10-07 12:26:50 Organometallic Chemistry
يشرح هذا المرفق الربط الارجاعى فى CO Read more

Solved Problems in Organometallic Chemis

2018-11-14 10:07:31 Organometallic Chemistry
The attached file contains some important examples and solved problems in organometallic chemistry Read more


2018-11-15 17:46:26 Organometallic Chemistry
The attatched file explains the photochemistry of carbonyl complexes in details Read more

preparation of transtion metal Carbonyl

2018-11-15 18:05:58 Organometallic Chemistry
The attacheed file explains in details preparation of transtion metal Carbonyl and Phosphine Ligands Read more

application of organometallic compounds

2018-11-15 18:42:55 Organometallic Chemistry
The attached file explains application of organometallic compounds in catalysis for synthesis of organic compounds Read more

characterization of organometallic compo

2018-11-15 18:52:46 Organometallic Chemistry
The attached file explains in details characterization of organometallic compounds Read more

Allyl and arene complexes

2018-11-15 19:04:52 Organometallic Chemistry
The attached file explains Allyl and arene complexes in details Read more

Metal Nitrosyl Complexes

2018-11-15 19:11:44 Organometallic Chemistry
The attached file explains in details Metal Nitrosyl Complexes Read more

Solving problems for 18-electron rule

2018-11-09 13:58:07 Organometallic Chemistry
The attached files contain solving problems for 18-electron rule of some organometallic compounds Read more

cyclopentadienyl complexes

2018-11-16 09:14:59 Organometallic Chemistry
The attached file explain cyclopentadienyl complexes, synthesis and rections Read more

Organometallic Compounds in Biomedical A

2018-11-16 09:48:30 Organometallic Chemistry
The attached file showes some of Biomedical Applications of organometallic compounds Read more

Exercises in Organometallic Chemistry

2018-11-25 19:13:50 Organometallic Chemistry
The attached file contains some exercises on organaometallic chemistry Read more