What is isomerism?

Dear student, Isomerism is the phenomenon in which more than one compounds have the same chemical formula but different chemical structures. Chemical compounds that have identical chemical formulae but differ in properties and the arrangement of atoms in the molecule are called isomers. Therefore, the compounds that exhibit isomerism are known as isomers. The word “isomer” is derived from the Greek words “isos” and “meros”, which mean “equal parts”. This term was coined by the Swedish chemist Jacob Berzelius in the year 1830. There are two primary types of isomerism, which can be further categorized into different subtypes. These primary types are Structural Isomerism and Stereoisomerism. Examples:- Pentane, C5H12, has three chain isomers. We can represent C4H10O as ethoxyethane (C2H5OC2H5) and methoxypropane (CH3OC3H7). Regards

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Dear Student

Compounds having same molecular formula but different structural formula and also differ in their propertiesare called isomers and this phenomenon is termed as isomerism.

For example: Butane and iso-butane are two isomers. In these compounds molecular formula -is same butstructural formula is different.

For Butane - 

For iso-butane -



Regards

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