What are the isomers of butane?

Answer 1

Ava Andrews

n-Butane has a chain of four carbon atoms in a row.

Isobutane has a chain of three carbon atoms with the fourth carbon attached to C-2.

The official IUPAC-name for isobutane is methylpropane, though the name isobutane is 'tolerated.'

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Answer 2

Isabella Acosta

The isomers of butane are:

n-butane (normal butane)
isobutane (2-methylpropane)

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.