Which of the following statements is incorrect about benzene?
Correct answer: A. All of the carbon atoms are sp hybridized.
- A. All of the carbon atoms are sp hybridized.
- B. The carbon-carbon bond lengths are all the same
- C. It has delocalized electrons
- D. The carbon-hydrogen bond lengths are all the same
- E. All twelve atoms lie in the same plane
Explanation
This statement is incorrect. The carbon atoms in benzene are sp<sup>2</sup> hybridized, not sp hybridized. Each carbon atom in benzene forms three sigma bonds (two with other carbon atoms and one with a hydrogen atom) using its three sp<sup>2</sup> hybrid orbitals. The remaining unhybridized p orbital on each carbon atom overlaps with the p orbitals of adjacent carbon atoms to form a delocalized pi system above and below the plane of the benzene ring.
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About Chemistry of Hydrocarbons
Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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