Question:

The IUPAC name of the given compound is:

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In cyclic alkenes, double bond is always at 1,2 — do not shift it for substituents.
Updated On: Apr 16, 2026
  • 3-methyl cyclohexene
  • 1-methyl cyclohex-2-ene
  • 6-methyl cyclohexene
  • 1-methyl cyclohex-5-ene
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The Correct Option is A

Solution and Explanation

Concept: In cycloalkenes:
• Double bond is given positions \(1,2\)
• Numbering is done to give substituent lowest possible number

Step 1:
Identify structure.
Cyclohexene ring with one double bond and a methyl group.

Step 2:
Number the ring.
Assign double bond as \(1,2\). Then continue numbering to give methyl lowest number.

Step 3:
Locate substituent.
Methyl group comes at position \(3\). \[ \text{3-methyl cyclohexene} \]
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