Which of the following reaction`(s)` can be used for the preparation of alkyl halides?
(I) `CH_(3)CH_(2)OH+HCloverset(anhy.ZnCl_(2))(rarr)`
(II) `CH_(3)CH_(2)OH+HClrarr`
(III) `(CH_(3))_(3)COH+HClrarr`
(IV) `(CH_(3))_(2)CHOH+HCloverset(anhy.ZnCl_(2))(rarr)`
A. A,C and D only
B. A and B only
C. D only
D. C and D only