In vinyl and arylic halides, Carbon Halogen bond have double bond character due to presence of lone pair of electron on halogen atom. So it can not be easily broken as compared to carbon halogen bond...
It is a compound with the carbon skeleton of an allyl (C=C-C) that has at least one halide attached (Cl, Br, I, etc.) For instance, CH3CH=CHCH2Cl is an allylic halide.
Just what it sounds like. Halide compounds with boron in them.
I'll elaborate. A halide is a halogen compound with a negative charge on the halogen. This is usually the case sine halogens are very...