What is the structural formula of cyclobutane?

1 Answer
anor277
May 14, 2016

Cyclobutane, #C_4H_8#, is a four-membered carbocycle.

Explanation:

Cyclobutane has 2 hydrogen atoms less than does butane, #C_4H_10#. A chemist would say that the ring has one degree of unsaturation with respect to the parent alkane. The ring junction has reduced the hydrogen count by two.

A degree of unsaturation corresponds to an unsaturated bond, #C=O# or #C=C# or a RING, i.e. a #C-C# junction.

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