Part B One-Step Elimination

A weak base (such as bicarbonate) is too weak to pull an H from an electrophile until the leaving group has left. In the words of the patient/impatient analogy, a weak base must wait patiently for a carbocation to form. Note Carbocation formation takes a long time relative to most other types of reactions. 

(Review) What is our definition of a strong base (See Memorization Task 4.1) 

Model 6 E2 Reactions—Strong Bases (definition of smaii vs. large) 

Different product ratios are often achieved when using a small vs. a large base in an E2 reaction. 

We will use definitions (below) of small and large similar to those we used for nucleophiles in CA 13. 

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