Dehydrohalogenation
( \newcommand{\kernel}{\mathrm{null}\,}\)
A dehydrohalogenation is an elimination reaction in which the net reaction is the loss of a molecule of a hydrogen halide ( HF, HCl, HBr, or HI) from the molecule of the substrate.
eg. 1:
eg. 2:
Overall, dehydrohalogenation is the exact opposite of hydrohalogenation.