Respuesta :

2-butene - it is an alkene so it contains a double bond

2-methylbutane - it is an alkane so it contains only single bonds

2-butyne -  it an alkyne so it contains a triple bond

Explanation:

You may find the structural formulas of the compounds in the attached picture.

Learn more about:

structure of organic compounds

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Answers:

In photo below

Explanation:

I got it correct in my test :)

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