Doubt by Manish Kumar

Rxn between p-nitro fluorobenzene and sodium methoxide give p-nitro anisole . this is ok BUT why F leave and not NO2 as F is more electronegative than N 

Answers

Answer by nitesh chaudhary

because NO2 shows -M effect and F shows +M, thus effectively when chlorine is removed from benzene the positive charge thus produced will be more in this case