Organic Chemistry Practice Problems Ionization of Aromatics Practice Problems Solution: Why is the pKa of cyclopentadiene (pKa = 15) unusu...

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Solution: Why is the pKa of cyclopentadiene (pKa = 15) unusually low for that of a hydrocarbon?

Problem

Why is the pKa of cyclopentadiene (pKa = 15) unusually low for that of a hydrocarbon?