Nomenclature of Organic Compounds

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Nomenclature of Organic Compounds: Overview

This Topic covers sub-topics such as Nomenclature of Organic Compounds, Priority Order of Functional Groups, Nomenclature of Esters, Nomenclature of Ethers, International Union of Pure and Applied Chemistry and, Nomenclature of Carboxylic Acids

Important Questions on Nomenclature of Organic Compounds

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The IUPAC name of the following compound is

                             Question Image 

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The IUPAC name of C6H5COCl is:

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Write the words used to denote repetition of the same functional group in an organic compounds.

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The prefix indicating the number of carbon atoms present in the chain (except from CH4 to C4H11, where the prefixes are derived from trivial names).

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The names of identical substituents are not repeated, instead, prefixes such as di, tri, _____, penta, hexa etc. are used in the nomenclature.

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While writing the trivial names of substituents’ in alphabetical order, the prefixes iso- and neo- are considered to be part of the fundamental name of an alkyl group.

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The longest chain of carbon atoms containing the functional group is numbered in such a way that the functional group is attached at the carbon atom possessing the lowest possible number in the chain.

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Write the IUPAC name of the given compound?

CHC-CH=CH-CH=CH2 6       5      4        3        2        1

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Write the IUPAC name of the given compound?

CH3-C=O-CH2-CH2-COOH 6           5              4         3            1

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Write the IUPAC name of the given compound?

CH3-CH2-C=O-CH2-C=O-CH3  6         5           4              3           2            1

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Write prefixes for different halogen groups.

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The prefix used for -OCH3 group in IUPAC nomenclature is methyl.

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What is prefix in nomenclature?

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If a compound name is pentanoic acid (root name = pent), number of carbon is present in longest carbon chain.

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What is meant by root word in nomenclature of organic molecules?

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When number of carbon is nine the root name in IUPAC is _____ .

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Explain how Root name is important for IUPAC?

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What is a secondary suffix of IUPAC name for organic compounds?

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What is a primary suffix of IUPAC name for organic compounds?

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The secondary suffix is used to mention the functional group of the organic compound. Write the IUPAC name of the following organic compound.

CH3-CH2-CH2-N-CH32.