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How many structural isomers are possible for butene?

Answer 1

Santiago Alfonso

There are three structural isomers of butene.

Isomers containing four carbon atoms

1. But-1-ene, #"CH"_3"CH"_2"CH=CH"_2#

2. But-2-ene, #"CH"_3"CH=CHCH"_3#

Isomers containing three carbons

3. 2-Methylpropene, #("CH"_3)_2"C=CH"_2#

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Answer 2

Ellie Adams

There are two structural isomers possible for butene: 1-butene and 2-butene.

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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.

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