\(\underset{A}{\mathop{{{C}_{2}}C{{l}_{3}}OH}}\,\) \(\rightarrow CC{{l}_{3}}-COOH\) ઍક \(-CuO\) ગ્રૂપ હજાર છે
\({{C}_{2}}{{H}_{5}}OH+C{{l}_{2}}\to C{{H}_{3}}CHO+2HCl\)
\(C{{H}_{3}}CHO+3C{{l}_{2}}\to {\mathop{CC{{l}_{3}}CHO}}\,+3HCl\)
${CH}_{4}+{I}_{2} \underset{\text { Reversible }}{\stackrel{{hv}}{\longrightarrow}} {CH}_{3}-{I}+{HI}$