The major product from the reaction of `3`-bromo-`2,3`-dimethylpentane with al. `KOH` is

What are the possible products, in order of decreasing yield, obtained from the reaction of 3-bromo-2,3-dimethylpentante with alc. KOH?

The major product in the dehydrohalogenation of 3 - Bromo - 2, 2 - dimethylbutane is

The major product in the dehydrohalogenation of 3 - Bromo - 2, 2 - dimethylbutane is

The major product formed when 2 -bromo- 2 - methyl butane is refluxed with ethanolic KOH is

The major product obtained from E_(2) – elimination of 3-bromo-2-fluoropentane is :