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RE-NEET2024Chemistry-Organic Chemistry

RE-NEET 2024 Chemistry IUPAC Nomenclature MCQ Question

Type: MCQ-conceptual-Easy-Class 11

The correct IUPAC name of the compound is:

Question diagram
A

⁴−ethyl−1−fluoro−2−nitrobenzene⁴⁻ethyl^{-1}-fluoro^{-2}-nitrobenzene

B

⁴−ethyl−1−fluoro−6−nitrobenzene⁴⁻ethyl^{-1}-fluoro^{-6}-nitrobenzene

C

³−ethyl−6−fluoro−1−nitrobenzene³⁻ethyl^{-6}-fluoro^{-1}-nitrobenzene

D

¹−ethyl−4−fluoro−3−nitrobenzene¹⁻ethyl^{-4}-fluoro^{-3}-nitrobenzene

Correct Answer

Option A

Detailed Explanation

The compound is a benzene ring with an ethyl group at position 4, a fluoro group at position 1, and a nitro group at position 2. According to IUPAC naming, substituents are listed in alphabetical order, and the lowest possible numbers are given to the substituents.

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