The alcohol which gives the most stable carbocation during dehydration is

Options

A. `2-`methylpropan`-2-ol`
B. `2-`methylpropan`-1-ol`
C. butan`-1-ol`
D. butan`-2-ol`

Answer

A

Explanation

The most stable carbocation comes from `3^(@)` alcohol.
`CH_(3)-underset(3^(@)alcohol)underset(OH)underset(|)overset(CH_(3))overset(|)(C )-CH_(3)overset((1)H^(+))underset((2)-H_(2)O)(rarr)underset(3^(@)"carbocation")(CH_(3)-overset(CH_(3))overset(|)underset(+)(C)-CH_(3))`