Which of the following is not a subdivision of structural isomerism?a)Geometrical isomerismb)Linkage isomerismc)Coordination isomerismd)Ionisation isomerismCorrect answer is option 'A'. Can you explain this answer?

Question

Answer

Explanation:

Structural Isomerism:
Structural isomerism is a type of isomerism where compounds have the same molecular formula but different structural arrangements.

Subdivisions of Structural Isomerism:

Linkage isomerism: This type of isomerism arises due to the different ways in which ligands can be attached to a central metal atom in coordination compounds.

Coordination isomerism: Coordination isomerism occurs in coordination compounds where the cation and anion contain different ligands that can exchange between the coordination sphere.

Ionisation isomerism: Ionisation isomerism occurs in coordination compounds where the composition of the cation and anion are different due to the exchange of ligands with anionic ligands present in the compound.

Not a Subdivision:
Geometrical isomerism is not a subdivision of structural isomerism. Geometrical isomerism is a type of stereoisomerism where compounds have the same connectivity but differ in spatial arrangement due to restricted rotation around a double bond or ring structure. It is not related to the different structural arrangements seen in structural isomerism.

In conclusion, while linkage isomerism, coordination isomerism, and ionisation isomerism are subdivisions of structural isomerism, geometrical isomerism falls under the category of stereoisomerism.

Answer

Geometrical isomerism is a type of stereoisomerism. Linkage, coordination and ionisation isomers show structural isomerism with different bonds.

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