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There is something wrong in the name of the compound named `:`
`2-`bromo`-5-`chloro`-3-`methyl`-4-`hexene. What is wrong in this name as per `IUPAC` convention ?

A

Locants are not written in descending order of their position

B

Parent chain is incorrectly numbered

C

Alkyl locant is always written first

D

Locants are not written in ascentding order of their position.

Text Solution

Verified by Experts

The correct Answer is:
b
Parent chain must be numbered giving lowest number to double bond as `:`

`5-` bromo`-2-`chloro`-4-`methyl`-2-`hexene
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Knowledge Check

  • What is the IUPAC name of the compound ?

    A
    2 - Chloro - 2 - butene
    B
    3 - Chloro - 1 - butene
    C
    3 - Methyl - 3 - chloropropene - 1
    D
    3 - Chloro - 3 - methyl - 1 - propene

  • What is the correct IUPAC name of the compound ?

    A
    `5-`Bromo`-1-`chlorcyclohexene
    B
    `3-`Bromo`-1-`chlorcyclohexen
    C
    `4-`Bromo`-2-` chlorocyclohexene
    D
    `1-`Bromo`-3-`chloro`-3-`cyclohexene

  • What is the correct IUPAC name of the compound ?

    A
    `3-`cyano`-2,5-`dimethyl heptanedinitrile
    B
    `2-`methyl hexane `-1,4,5-`tricarbonitrile
    C
    `2,5-`dimethyl`-1,3,7-`heptanedinitrile
    D
    `5-`cyano`-3,6-`dimethyl hepttanedinitrile
    • A2Z-CLASSIFICTION, PURIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS-Section D - Chapter End Test
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