Preparation of haloalkanes

2015 AIPMT-II 1 question

1. 1 Haloalkanes and Haloarenes
   Which of the following reaction(s) can be used for the preparation of alkyl halides?
   (I) $CH_3CH_2OH + HCl \xrightarrow{anh.\ ZnCl_2}$
   (II) $CH_3CH_2OH + HCl \rightarrow$
   (III) $(CH_3)_3COH + HCl \rightarrow$
   (IV) $(CH_3)_2CHOH + HCl \xrightarrow{anh.\ ZnCl_2}$
   A (IV) only B (III) and (IV) only C (I), (III) and (IV) only D (I) and (II) only
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