3-methyl-2-butanol on treatment with HCl gives (major product)

Options

A. 2-chloro-2-methylbutane
B. 2-chloro-3-methylbutane
C. 2,2-dimethylpentane
D. None of the above

Answer

B

Explanation

`CH_(3)-overset(CH_(3))overset(|)CH-underset(OH)underset(|)CH-CH_(3)+HClrarr`
`underset(2^(@)"carbocation(less stable)")(CH-overset(CH_(3))overset(|)CH-overset(+)CH-CH_(3))+H_(2)Ooverset("1,2 H-shift")rarr`
`underset(3^(@)"carbocation")(CH_(3)-overset(CH_(3))overset(|)underset(+)C-CH_(2))-CH_(3)overset(Cl^(-))rarrunderset("2-chloro-2-methyl butane")(CH_(3)-overset(CH_(3))overset(|)underset(Cl)underset(|)C-CH_(2)-CH_(3))`