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Home Questions YEVV6XFG3C
Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Haloalkanes and Haloarenes

Question:

What is the IUPAC name of the given compound?

Options:

1-Fluoro-2-chlorocyclobut-1-ene
View Answer

1-Cholor-2-fluorocyclobut-1-ene

1-Chloro-2-fluorocyclobut-2-ene

 2-Chloro-1-fluorocyclobut-1-ene

Correct Answer:

 2-Chloro-1-fluorocyclobut-1-ene

Explanation:

The alkyl group is alicyclic with 4 carbon atoms at the corners of a rectangle and a double bond; hence the base is cyclobutene. In the case of cyclic alkenes, the position of double bond is always given the first number.

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