Question

Give reasons why neopentyl alcohol on dehydration of alcohol gives 2 methyl 2 butene

Answer 1

because it form a stable tertiary carbocation and after it it undergoes elimination.

Answer 2

When neopentyl alcohol react with any dehydrating agent then the attached -oh group is remobed from the chain along with beta-hydogen...

But if we see the beta carbon dont have any H atom and there the compound undergoes rearrangement

And the product which is obtained is 2 methyl-2-butene...