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Which of the following most readily undergoes an E2 reaction with sodium ethoxide (NaOCH2CH3)?A) (CH3)CF.
B) (CH3)CCl.
C) (CH3)CBr.
D) (CH3)CI.


Sagot :

Answer:

(CH3)CI

Explanation:

As we move down the group, the halogen atoms become more easily polarizable and the C-X bond is more easily broken.

Recall that E2 mechanism has to do with synchronous proton abstraction and loss of the halogen.

These occur faster with (CH3)CI than when the C-X bond involves other halogens.