Stability of 1,3-Butadiene vs. Cyclobutene

Very Hard Organic Chemistry Structure And Bonding

In organic chemistry, understanding the electronic structure of molecules is crucial for predicting their reactivity and interaction. Consider the molecule 1,3-butadiene, which is a conjugated diene, and compare it to its isomer cyclobutene. Both molecules contain the same number of carbon and hydrogen atoms, but their structural differences lead to distinct physical and chemical properties. In terms of stability, the resonance stability of 1,3-butadiene can be assessed by examining the delocalization of electrons among the π-bonds.

Which of the following statements correctly describes the electronic structure of 1,3-butadiene compared to cyclobutene?

1,3-butadiene is less stable than cyclobutene due to its higher strain energy.

Both molecules have identical hybridization states for their carbon atoms.

1,3-butadiene exhibits resonance stabilization leading to lower energy configuration compared to cyclobutene.

Cyclobutene has greater π-bonding character than 1,3-butadiene due to its ring structure.

Hint

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