Chemistry - Nomenclature Question with Solution | TestHub

ChemistryNomenclatureIUPAC nomenclature of compounds containing functional/Polyfunctional groupMedium2 minQB

ChemistryMediumsingle choice

How many carbon atoms are in the longest carbon chain (IUPAC parent chain) of the following compound ?

structure

Answer:

Solution:

The parent chain must contain the carbon bearing $OH$ . The longest such chain is $C H_{3} - CH (OH) - CH - C H_{2} C H_{2} C H_{3}$ = 6 carbons.

The 7-carbon chain (propyl-CH-propyl) misses the $OH$ carbon, so it is not allowed.

Stream:JEESubject:ChemistryTopic:NomenclatureSubtopic:IUPAC nomenclature of compounds containing functional/Polyfunctional group

⏱ 2mℹ️ Source: QB

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