Coordination Compounds Remaining Part Flashcards
What is optical isomerism in coordination compounds?
Optical isomerism is a type of stereoisomerism where compounds exist in two non-superimposable mirror images called enantiomers.
True or False: Optical isomers have identical physical properties.
False: Optical isomers have different optical activities and may exhibit different physical properties.
Fill in the blank: Optical isomers are also known as ______.
enantiomers
What is the significance of chiral centers in coordination compounds?
Chiral centers in coordination compounds lead to the formation of optical isomers, as they create non-superimposable mirror images.
Which of the following complexes can exhibit optical isomerism? A) [Co(NH3)6]3+ B) [NiCl2(H2O)2] C) [CuCl2(NH3)2] D) [Mn(C2O4)3]3-
[Mn(C2O4)3]3- can exhibit optical isomerism.
What role does symmetry play in determining optical isomerism?
Symmetry can prevent optical isomerism; if a complex has a plane of symmetry, it cannot have optical isomers.
Short answer: Name a method used to distinguish between optical isomers.
Polarimetry is used to distinguish between optical isomers.
True or False: All coordination compounds are optically active.
False: Only those with chiral centers or asymmetric arrangements are optically active.
What is the relationship between optical isomerism and the Cahn-Ingold-Prelog priority rules?
The Cahn-Ingold-Prelog priority rules help assign R/S configuration to chiral centers, aiding in the identification of optical isomers.
Multiple choice: Which of the following ligands does not lead to optical isomerism when coordinated to a metal center? A) NH3 B) H2O C) Cl- D) en
C) Cl- does not lead to optical isomerism when coordinated to a metal center.
What is isomerism in coordination compounds?
Isomerism in coordination compounds refers to the phenomenon where compounds have the same molecular formula but different arrangements of atoms.
True or False: Isomers can have different physical and chemical properties.
True
What are the two main types of isomerism in coordination compounds?
The two main types of isomerism are structural isomerism and stereoisomerism.
Fill in the blank: Structural isomerism involves differences in the ________ of the coordination compounds.
connectivity of atoms
What is coordination isomerism?
Coordination isomerism occurs when the composition of the coordination sphere differs between isomers.
List one example of structural isomerism.
Linkage isomerism is an example of structural isomerism.
What is linkage isomerism?
Linkage isomerism occurs when a ligand can coordinate to the metal ion through different atoms.
True or False: Stereoisomerism includes geometric isomerism and optical isomerism.
True
Define geometric isomerism.
Geometric isomerism occurs due to different spatial arrangements of ligands around the central metal atom.
What is optical isomerism?
Optical isomerism arises when isomers are non-superimposable mirror images of each other.
Provide an example of a coordination compound that exhibits geometric isomerism.
Cisplatin is an example that exhibits geometric isomerism.
What is the significance of the cis and trans isomers in coordination compounds?
Cis and trans isomers can have vastly different biological activities and reactivities.
Fill in the blank: In optical isomerism, the isomers are called ________.
enantiomers
What role does chirality play in optical isomerism?
Chirality is the property that allows molecules to exist as enantiomers, which are mirror images of each other.
