324173
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{Br} \xrightarrow{\mathrm{AgCN}} \mathrm{A} \xrightarrow{\mathrm{H}_{3} \mathrm{O}^{+}} \mathrm{HCOOH}+\mathrm{B}\);
\({\text{B}}\xrightarrow[{{\text{KOH}}}]{{{\text{CHC}}{{\text{l}}_{\text{3}}}}}{\text{A}}\xrightarrow{{{\text{ Reduction }}}}{\text{C}}\)
\(\mathrm{A}, \mathrm{B}, \mathrm{C}\) respectively in the above sequence are:
324173
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{Br} \xrightarrow{\mathrm{AgCN}} \mathrm{A} \xrightarrow{\mathrm{H}_{3} \mathrm{O}^{+}} \mathrm{HCOOH}+\mathrm{B}\);
\({\text{B}}\xrightarrow[{{\text{KOH}}}]{{{\text{CHC}}{{\text{l}}_{\text{3}}}}}{\text{A}}\xrightarrow{{{\text{ Reduction }}}}{\text{C}}\)
\(\mathrm{A}, \mathrm{B}, \mathrm{C}\) respectively in the above sequence are:
324173
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{Br} \xrightarrow{\mathrm{AgCN}} \mathrm{A} \xrightarrow{\mathrm{H}_{3} \mathrm{O}^{+}} \mathrm{HCOOH}+\mathrm{B}\);
\({\text{B}}\xrightarrow[{{\text{KOH}}}]{{{\text{CHC}}{{\text{l}}_{\text{3}}}}}{\text{A}}\xrightarrow{{{\text{ Reduction }}}}{\text{C}}\)
\(\mathrm{A}, \mathrm{B}, \mathrm{C}\) respectively in the above sequence are:
324173
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{Br} \xrightarrow{\mathrm{AgCN}} \mathrm{A} \xrightarrow{\mathrm{H}_{3} \mathrm{O}^{+}} \mathrm{HCOOH}+\mathrm{B}\);
\({\text{B}}\xrightarrow[{{\text{KOH}}}]{{{\text{CHC}}{{\text{l}}_{\text{3}}}}}{\text{A}}\xrightarrow{{{\text{ Reduction }}}}{\text{C}}\)
\(\mathrm{A}, \mathrm{B}, \mathrm{C}\) respectively in the above sequence are: