Organic Chemistry Questions: Find Challenges Online

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Several users are seeking websites that provide challenging organic chemistry questions. A recommended resource is a UMass Amherst course webpage, which features comprehensive lecture notes and numerous practice problems for each chapter. The site also includes links to answers, although some are initially restricted. Users can access all answers by modifying the URL to bypass restrictions. This resource is particularly valuable for those looking to enhance their understanding of organic chemistry through practice.
Mitchtwitchita
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Does anyone know any good websites to find some challenging organic chemistry questions?
 
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http://www.people.umass.edu/gjsnyder/chem2612.html#Annc

THis is a website for an organic chemistry class at UMass Amherst. The teacher wrote his own lecture notes (which I think are very good) and tons of practice problems for each chapter. Links to answers are included too. Links to answers which are not available yet can be accessed by simply altering the URL to specify the correct section. The Prof was trying to prevent people from getting answers before he'd lectured on a topic, but you can get all of them through exploiting this obvious "glitch."
 
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