Consider the structures shown below : And select the correct...

Consider the structures shown below :
And select the correct choice (s).
(a) (I) and (II) are geometrical isomer.
(b) (II) and (III) are homomers.
(c) (I) and (II) are enantiomers.
(d) (I) and (III) are enantimers.

Key Concepts

Isomerism

Isomerism is the phenomenon where compounds possess the same molecular formula but differ in the arrangement or connectivity of atoms. This fundamental concept in chemistry underpins the way molecules can exhibit distinct physical and chemical properties despite having identical formulas.

Stereoisomerism

Stereoisomerism refers to the type of isomerism in which compounds have the same connectivity of atoms but differ in the three?dimensional orientation of these atoms. This concept is crucial in understanding how molecules can interact differently in biological systems and chemical reactions.

Geometrical Isomerism

Geometrical isomerism arises from the restricted rotation around a double bond or within cyclic systems, leading to different spatial arrangements such as cis/trans or E/Z isomers. It is a subset of stereoisomerism and is important for predicting and explaining the physical and chemical behavior of compounds.

Enantiomerism

Enantiomerism describes a pair of stereoisomers that are non-superimposable mirror images of each other. These chiral compounds have identical physical properties except for their interaction with plane-polarized light and other chiral environments, making enantiomerism a critical concept in areas like pharmaceuticals and biochemistry.

Chirality

Chirality is the geometric property of a molecule having a non-superimposable mirror image, much like left and right hands. This concept is essential for understanding enantiomerism and plays a significant role in the behavior and function of molecules in biological systems and synthetic chemistry.

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