which is a better leaving group bromine or flourine and why

which is a better leaving group bromine or flourine 
and why

Grade:12th pass

1 Answers

389 Points
6 years ago
Generally weak bases are better leaving group.. bromine having larger size and less electronegativity is less basic than fluorine which has very small size and high electronegativity..therefore bromine in better leaving group than fluorine. in general in halogens iodine is the best leaving group and fluorine is the worst.. HIMANSHU (IIT 2016 ASPIRANT)

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