Question

What is the name of `CH_2CH_2CH_2CH_3`?

Answer 1

`"1-butene"`

Explanation:

`H_2C=CHCH_2CH_3` is `"1-butylene"` or `"1-butene"`.

`H_3C-CH_2CH_2CH_3` is `"butane"`, which is an important fuel.