mistakes

Common Mistakes: How not to draw resonance curved arrows

January 10, 2012

No discussion of resonance structures would be complete without mention of how to royally screw them up. This isn’t something to feel bad about, by the way: there isn’t a chemist alive who hasn’t made one of these mistakes at some point. Think of it as a rite of passage. The trick is to make the mistakes [...]

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Common Mistakes with Carbonyls: Carboxylic Acids… Are Acids!

May 20, 2011

Carboxylic acids… are acids. I know that seems obvious. But it’s a near certainty that students taking Org 2 for the first time will forget this occasionally. Here are two common mistakes that I see *all the time*. 1) Reactions of Grignard reagents with carboxylic acids. Grignard reagents (with the general structure RMgBr) are great [...]

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