The role of 18–crown–6 in the reaction shown below is toA) complex F¯ by ion–dipole attrac...

The role of 18–crown–6 in the reaction shown below is to

A) complex F¯ by ion–dipole attraction and make it more nucleophilic.

B) remove Br¯ by ion–dipole attraction and shift the equilibrium to the products.

C) complex K+ by ion–dipole attraction increasing the solubility of KF and the nucleophilicity of F¯ .

D) stabilize the carbocation in the substitution reaction.