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Which one of the following has the minimum boiling point?

  • Option 1)

    n - butane

  • Option 2)

    1 - butyne 

  • Option 3)

    1- butene

  • Option 4)

    isobutene

 

Answers (1)

As we learnt in 

Boiling Point -

Boiling \: Point \: \: \alpha \: \: Surface \: area

Boiling \: Point \: \: \alpha \: \: Molecular \: Mass

- wherein

Boiling\: Point \Rightarrow n- pentane > isopentane> neopentane

 

Boiling point follows the order.

alkyne> alkene> n-alkane> branched\ chain\ alkane

1\ butyne> 1-butene> n-butane> Isobutene

 


Option 1)

n - butane

This option is incorrect.

Option 2)

1 - butyne 

This option is incorrect.

Option 3)

1- butene

This option is incorrect.

Option 4)

isobutene

This option is correct.

Posted by

Sabhrant Ambastha

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