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July 30, 2014

Homework Help: science- pka- chem

Posted by ERB on Sunday, September 17, 2006 at 6:30am.

Please verify that the pka of pyrrole is 6.04 and the pka of imidazole is 6.95. Why are they different?


Doesn't pysrrole have one more bonded H in the ring structure than imidazole? I would expect slightly more acidic behavior just on the basis of this.

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