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Confused! kindly explain, The IUPAC name of neo - pentane is

The IUPAC name of neo - pentane  is 

  • Option 1)

    2- methylbutane

  • Option 2)

    2,2- dimethylpropane

  • Option 3)

    2- methylpropane

  • Option 4)

    2,2- dimethylbutane

 
Answers (1)
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As we learnt in 

Nomenclature of organic compound -

1)    Some of locant value or position no. of substituent should be minimum.

2)    Senior functional group written in the form of suffix.

3)    Junior  functional group written in the form of prefix.

- wherein

1)

 

 Structure of neo-pentane

IUPAC name of neopentance is - 2,2-Dimethylpropane


Option 1)

2- methylbutane

This option is incorrect

Option 2)

2,2- dimethylpropane

This option is correct

Option 3)

2- methylpropane

This option is incorrect

Option 4)

2,2- dimethylbutane

This option is incorrect

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