c
(c) \(C{H_2} = C{H_2}\xrightarrow{{HBr}}C{H_3} - \mathop {C{H_2}}\limits_{\mathop {|{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} }\limits_{Br\,\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } } \xrightarrow{{{\text{Hydrolysis}}}}\) \(C{H_3} - \mathop {C{H_2}}\limits_{\mathop {|{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} }\limits_{OH\,\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} } } \)  \(\mathop {\xrightarrow{{N{a_2}C{O_3}}}}\limits_{{I_2}\,{\text{excess}}} \mathop {\,CH{I_3}}\limits_{\begin{subarray}{l} yellow\,Precipitate \end{subarray}} \)