Question

Draw the structure of isomers of butane and write their IUPAC names.​

Answer 1

Answer:

Butane, or C4H10 , has two structural (also called constitutional) isomers called normal butane, or unbranched butane, and isobutane, or i-butane. According to IUPAC nomenclature, these isomers are called simply butane and 2-methylpropane.

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Answer 2

Butane

$c_{4} h_{10}$

It usually shows 2 chain isomers.

1. n-butane

It is a gas present in the present room temperature and pressure. It is dangerous as it highly flamable in nature. It is also highly liquidity in nature and can easily be vapourised in the atmosphere.

It has 4 atoms of carbon bonded in a chain like structure continuously.

It's molar formula will be 58.12g/mol.

• Structural formula

$ch_{3} - ch_{2} - ch_{2} - ch_{3}$

• IUPAC name

Butane

2. isobutane

It is gas molecular, it is a gas with light petroleum gas odour. It is used in gasoline, refinery etc.It is the simplest alkaline. Inhaling this can be harmful for the nostrils and throat.

It's molar formula will be 58.12g/mol.

It has a bonded structure

• Structural formula

$ch_{3} - ch - ch_{3} \\ \: \: \: \: | \\ ch_{3}$

• IUPAC name

2 - Methylpropane

Refer the attachment for the structure.