Dehydrohalogenation

What is dehydrohalogenation ? State the rule for formation of preferred product of dehydrohalogenation. Predict all the alkenes that would be formed by dehydrohalogenation of following alkyl halide. 2-chloro-2-methylbutane

What is dehydrohalogenation ? State the rule for formation of preferred product of dehydrohalogenation. Predict all the alkenes that would be formed by dehydrohalogenation of following alkyl halide. 3- bromo -2,2,3- trimethylpentane

Which is most easilyt dehydrohalogenated?

Which is most easily dehydrohalogenated ?

which is most easily dehydrohalogenated ?

Which one is most easily dehydrohalogenated ?