February 26, 2017

Homework Help: Organic chemistry: dehydrohalogenation

Posted by Steven on Wednesday, October 10, 2007 at 11:21pm.

Hello. I know you guys don't do organic chemistry but because I got so much help from you guys in general chemistry, I was wondering if you guys can help me out again. :P

Here's my question.
In dehydrohalogenation, how do you know whether a reaction is E1 or E2?

My textbook says that E1 dehydrohalogenation occurs if there is an extremely weak base [side question: what qualifies as an extremely weak base?] and can only occur among tertiary and secondary alkyl halide. E2 dehydrohalogenation occurs among all kinds of alkyl halides (teritiary, secondary, and primary) as long as you have a strong base. Is this true?

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