What are the difference between labile and inert complexes?
The key difference between inert and labile complexes is that inert complexes undergo slow substitution, whereas labile complexes undergo rapid substitution. Labile complexes, on the other hand, are thermodynamically unstable, and they have a very small activation energy barrier.
What are labile and inert complexes with examples?
Lability refers to the ease with which ligands are replaced in coordination complexes. A compound in which metal-ligand bonds are easily broken is referred to as “labile”. A compound in which metal-ligand bonds are more difficult to break is referred to as “inert”.
What is the meaning of labile Complex?
Labile Complex is the transition metal complex ion that quickly reaches equilibrium with ligands, whereas complexes in which substitution proceed slowly or not at all are inert. ( Opposite of the Inert Complex)
Are labile complexes stable?
The term kinetic stability of complexes is classified into labile and inert by Taube on the basis of rate of the reactions. When the rate of substitution of ligands is high, the complex is said to be labile.
How do you determine if a complex is labile or inert?
Transition metal complexes which undergo rapid substitution of one ligand for another are labile, whereas complexes in which substitution proceed slowly or not at all are inert.
Is there any relationship between the thermodynamic stability of a complex and its lability explain?
There is NO connection between Thermodynamic Stability/Instability of a complex and its Lability/Inertness toward substitution.
What is kinetic lability?
DefinitionS. Labile – Metal complexes that undergo “kinetically fast” substitution reactions are labile. These reactions usually happen in less than one minute. Inert – Metal complexes that undergo “kinetically slow” substitution reactions are inert or non-labile.
Why coordination complexes are inert and labile?
A. Transition metal complexes which undergo rapid substitution of one ligand for another are labile, whereas complexes in which substitution proceed slowly or not at all are inert. For an inert complex, it is a large activation energy which prevents ligand substitution.
How does the nature of ligands affect the stability of the complexes?
This is because the electron-donating tendency of ligands to the central metal ion is higher. The more basic is the ligand, the more easily it can donate electron pairs to the central ion, and hence more easily it can form complexes of greater stability.
What is difference between inner orbital complex and outer orbital complex?
The main difference between inner and outer orbital complexes is that the hybridization of the atomic orbitals of the central metal atom of inner orbital complex involves inner shell d orbitals whereas the hybridization of the atomic orbitals of the central metal atom of outer orbital complex involves outermost shell d …
What is the difference between inert and labile complexes?
The key difference between inert and labile complexes is that inert complexes undergo slow substitution, whereas labile complexes undergo rapid substitution. This is mainly because inert complexes are thermodynamically stable complexes with a large activation energy barrier.
How do you know if a complex is labile?
19. Labile and inert complexes on the basis of CFT • According to CFT the ligand field splits the d- orbitals. • This splitting leads to a decrease in energy of the system whose magnitude depends on the number of d electrons present. • if the CFSE value increases by association or dissociation of a ligand then the complex is labile.
What are labile and inert complexes on the basis of CFT?
• If the t2g levels are left vacant then the complex can associate with an incoming ligand and the complex is labile • If all the t2g levels are occupied then the complex becomes inert. 18santhanam SCSVMV 19. Labile and inert complexes on the basis of CFT • According to CFT the ligand field splits the d- orbitals.
Why do labile complexes undergo substitution reactions?
Labile complexes are transition metal complexes that can undergo substitution reactions rapidly. In other words, labile complexes readily undergo substitution reactions when there is a suitable ligand for the substitution. These complexes undergo rapid substitution because they have a very low activation energy barrier.