Question:
The correct IUPAC name of
The correct IUPAC name of
Updated On: Feb 23, 2024
- 4-Ethyl-1-Fluoro-2-nitrobenzene
- 1-Ethyl-4-Fluoro-3-nitrobenzene
- 3-Ethyl-6-Fluoronitrobenzene
- 5-Ethyl-2-Fluoronitrobenzene
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The Correct Option is A
Solution and Explanation
Based on lowest sum of locants,
4-Ethyl-1-fluoro-2-nitrobenzene
4-Ethyl-1-fluoro-2-nitrobenzene
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Concepts Used:
Nomenclature of Organic Compounds
Nomenclature of Organic Compounds can be defined as the systematic approach to name different organic compounds present in the world. In order to avoid some long and tedious common names in the general communication, the officials of the International Union of Pure and Applied Chemistry (IUPAC) have formulated some structured way of naming the organic compounds.
IUPAC Nomenclature:
International Union of Pure and Applied Chemistry (IUPAC) introduced the classical nomenclature for the organic compounds systematically. Some rules were introduced such that every molecule has an individual name for its different structures.
The general skeleton of an IUPAC nomenclature is given as:
Primary prefix + word root + primary suffix + secondary suffix
Guidelines set by IUPAC:
- The Longest Chain Rule
- The Lowest Set of Locants
- Multiple instances of the same substituent
- Naming of different substituents
- The naming of different substituents present at the same positions
- Naming Complex Substituents