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The IUPAC name of CH(3)COCH(CH(3))(2) is...

The `IUPAC` name of `CH_(3)COCH(CH_(3))_(2)` is

A

(1) `2`-methylbutan-`3`-one

B

(2) `4`-methylisopropyl ketone

C

(3) `3`-methylbutan-`2`-one

D

(4) Isopropyl methyl ketone

Text Solution

Verified by Experts

The correct Answer is:
C
The compound is a branched ketone, i.e., it is an alkanone. The numbering of the parent chain should be done so as to guve the lowest possible number to the `C` to the group:
`overset(1)(CH_(3))-overset(O)overset(2||)(C)-overset(CH_(3))overset(|)(.^(3)CH)-overset(4)(CH_(3))`
Its common name is isopropyl methyl ketone.
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Knowledge Check

  • The IUPAC name of CH_(3)CH_(2)OCH(CH_(3))_(2) is:

    A
    isopropoxyethane
    B
    2-methoxybutane
    C
    1-methyl-1-methoxyethane
    D
    2-ethoxypropane

  • The IUPAC name of CH_(3)CH_(2)OCH(CH_(3))_(2) is :

    A
    isopropoxyethane
    B
    2-methoxybutane
    C
    1-methyl-1-methoxyethane
    D
    2-Ethoxypropane

  • The IUPAC name of CH_(3)C-=C CH(CH_(3))_(2) is

    A
    4-methyl-2-pentyne
    B
    4, 4-dimethyl-2-butyne
    C
    Methyl isopropyl acetylene
    D
    2-methyl-4-pentyne

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