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Each molecule shown below has six carbon atoms - Leaving Cert Chemistry - Question i - 2016
Question i
Each molecule shown below has six carbon atoms. hexane cyclohexane benzene H - H - H - C - C - C - C - C - H H H H H H ... show full transcript
Worked Solution & Example Answer:Each molecule shown below has six carbon atoms - Leaving Cert Chemistry - Question i - 2016
Step 1
Which molecule is aromatic?
Answer
The aromatic molecule among the three is benzene. Aromatic compounds are characterized by having a cyclic structure with conjugated pi electrons. Benzene, represented as a hexagon with alternating double bonds, fits this definition, exhibiting stability due to resonance. In contrast, hexane and cyclohexane do not have the required aromatic stability.