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Chemistry - Nomenclature Question with Solution | TestHub

ChemistryNomenclatureIUPAC nomenclature of compounds containing functional/Polyfunctional groupMedium2 minQB
ChemistryMediummultiple choice

Which of the following structures and IUPAC name are incorrectly matched?

Question diagram: Which of the following structures and IUPAC name are incorre

Options:(select one or more)

Answer:
A, D
Solution:

(a) When carbon containing principal functional group is directly on a ring, normal suffix (-oate) cannot be used. In present case, carboxylate suffix should have been used and correct IUPAC name would be "methyl cyclohexane carboxylate".(d) When there are two carbon containing principal functional groups (now- COOH ), their carbon atoms become terminals of the parent chain irrespective of chain length. The correct name of this compound would be 2-butyl-4-ethylpentane-dioic acid.(b) and (c) have correct IUPAC names mentioned as:

(b)

image.png

4-Bromo-3-chloro hexanamide

(c)

image.png

2-Ethoxy pentane

Stream:JEESubject:ChemistryTopic:NomenclatureSubtopic:IUPAC nomenclature of compounds containing functional/Polyfunctional group
2mℹ️ Source: QB

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