All GRE Subject Test: Chemistry Resources
Example Questions
Example Question #2 : Reactions By Product
What is the value of from Huckel's rule for the given aromatic compound?
Possible Answers:
Correct answer:
Explanation:
Huckel's rule states that an aromatic compound must have delocalized electrons. The electrons in each double bond are delocalized for this molecule. There are nine double bonds, and thus eighteen delocalized electrons.
If 4n+2=18, then n=4.
Gregory
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All GRE Subject Test: Chemistry Resources
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