c
(c) \(C{H_3} - C{H_2} - \mathop {\mathop {C{\mkern 1mu} {\mkern 1mu}  = {\mkern 1mu} {\mkern 1mu} }\limits_{|{\kern 1pt} \,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_{3\,\,\,}}} \mathop {CH - C{H_3} + \mathop {HOCl}\limits^{{\kern 1pt}  - {\kern 1pt} {\kern 1pt} {\kern 1pt}  + } }\limits_{\mathop {{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} }\limits_{} }  \to C{H_3} - C{H_2} - \mathop {\mathop {C{\mkern 1mu} {\mkern 1mu}  - }\limits_{|{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} }^{|{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{{\kern 1pt} C{H_3}}^{OH} \mathop {CH}\limits^{\mathop {|{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} }\limits^{Cl{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } }  - C{H_3}\)

Addition takes place according to Markownikoff’s rule in which \(C{l^ + }\) goes to that carbon atom which is more hydrogenated.