Benzene and cyclohexane molecules both contain six-membered rings. Benzene is a planar molecule, and cyclohexane is nonplanar. Explain.

1 answer

What is there to explain? A planar molecule has all of the atoms in the same plane. A nonplanar one does not.

Explanations for why benzene is one type and cyclohexane the other can be found at
http://in.answers.yahoo.com/question/index?qid=20090817022032AAT8Zax

It has to do with what kind of carbon bonds are formed.