Problem: Which of the following is the best leaving group? A) F- B) CI- C) I- D) Br- E) H2N-

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We use factors affecting acidity to determine which leaving groups will be most stable after gaining a lone pair.

Recall that the element effect consists of two trends:

In this case, -NH2 will be considered as the worst among the group since the other LGs are smaller

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Problem Details

Which of the following is the best leaving group? 

A) F- 

B) CI- 

C) I- 

D) Br- 

E) H2N-

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