during-the-reaction-of-methionine-with-cyanogen-bromide-a-sulfonium-ion-is-forme

Question

During the reaction of methionine with cyanogen bromide, a sulfonium ion is formed. What characteristic makes it a good leaving group?

Accepted Answer

Its positive charge allows it to stabilize by leaving.

Answer

Its bond to the peptide is weak.

Answer

It forms a stable radical.

Answer

It is highly electronegative.