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Chemistry

Organometallic Compounds

Last Updated on November 11, 2021 By Mrs Shilpi Nagpal 1 Comment

Organometallic compound

Organometallic Compounds Organometallic compounds are those compounds which contain one or more metal-carbon bonds. All the compounds containing carbon and a metal atom are not organometallic. We use this term for compounds which contain at least one M-C bond. For example An alkoxide such as (C3H7O4)Ti is not considered to be an organometallic compound because the … [Read more...] about Organometallic Compounds

Metal Carbonyls

Last Updated on March 9, 2021 By Mrs Shilpi Nagpal Leave a Comment

Structure of metal carbonyls

Metal Carbonyls There is another important class of coordination compound known as metal carbonyls in which carbon monoxide (CO) acts as ligand. These are also called homoleptic carbonyls (compounds containing carbonyl ligands only). These compounds contain both σ and π character. These are formed by many transition metals. Structure of Metal Carbonyls Homoleptic binary … [Read more...] about Metal Carbonyls

Method of Preparation and Importance of Coordination Compounds

Last Updated on February 28, 2021 By Mrs Shilpi Nagpal 1 Comment

Detection of Ni2+

Methods of preparation of Coordination Compounds Coordination compounds are generally prepared by common methods such as substitution reactions, redox reactions and by the direct combination of the reactants.  (1) Substitution reactions The majority of complexes are prepared by substitution reactions. The general method of synthesis is to replace water molecules … [Read more...] about Method of Preparation and Importance of Coordination Compounds

Stability of Coordination Compounds in Solution

Last Updated on June 13, 2022 By Mrs Shilpi Nagpal 1 Comment

Formation constant

Stability Of Coordination compounds in Solution The stability of a complex in solution means the degree of association between the metal ion and the ligands involved in the state of equilibrium. The magnitude of the (stability or formation) equilibrium constant for the association express quantitatively the stability. For example: The formation of [Cu(NH3)4]2+  complex may … [Read more...] about Stability of Coordination Compounds in Solution

Crystal Field Theory

Last Updated on February 16, 2021 By Mrs Shilpi Nagpal Leave a Comment

splitting of d-orbital in octahedral field

Crystal Field Theory Crystal field theory is based on the assumption that the metal ion and the ligands act as point charges and the interactions between them are purely electrostatic. In negative ligands (anions such as Cl‾, Br‾, CN‾), the interactions with metal ions are ion-ion interactions. If the ligands are neutral molecules (such as NH3, H2O, CO), the interactions … [Read more...] about Crystal Field Theory

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