What is the correct name of the longest chain of carbon atoms?
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Solution
IUPAC Nomenclature
In order to clearly identify the compound, a systematic method of naming has been developed and is known as IUPAC (Internation Union of Pure and Applied Chemistry) system of nomenclature.
Rules of IUPAC nomenclature
In order to define the length of the carbon chain, names are given as
For one carbon atom - Methane
Two carbon atoms chain- Ethane
Three carbon atoms chain- Propane
Four carbon atoms chain- butane
Five carbon atoms chain- Pentane
Thus, the correct name of the longest chain of carbon atoms is Pentane.