The IUPAC name of the compound

1, 5-Dimethylcyclohex-3-ene

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1, 3-Dimethylcyclohex-5-ene

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3, 5-Dimethylcyclohex-1-ene

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1, 3-Dimethylcyclohex-4-ene

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Solution

The correct option is C
3, 5-Dimethylcyclohex-1-ene

A six membered unsaturated (double bond) cyclo compound is given. Further, it has 2 alkyl (methyl)

substituents. The double bond should get the higher perference and lower numbering.

Selecting according to the lowest set of locants

Selecting

Word root = hex

Primary suffix = ene

Primary prefix = cyclo

Secondary prefix = 3,5-Dimethyl

Hence the IUPAC name is:

(c) 3,5-Dimethylcyclohex-1-ene

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Similar questions

Which nomenclature is correct?---

a) 1,6-dimethylcyclohex-1-ene

b) 2,3-dimethylcyclohex-1-ene

n- Octane in the presence of Cr₂O₃/Al₂O₃ at 873K changes to

The IUPAC name of the following compound is:

$C l | C H_{3} - C - C H_{2} - C H = C H - C H_{3} | H$

Write IUPAC names of the products obtained by the ozonolysis of the following compounds:
(i) Pent-2-ene

(ii) 3,4-Dimethyl-hept-3-ene

(iii) 2-Ethylbut-1-ene

(iv) 1-Phenylbut-1-ene

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