10.完成下列反应式。-|||-NH2 (O)_(2)/HCl CuCN/KCN B- ({H)_(3)O}^+ C-|||-(1) A-|||-(2) -N(O)_(2) (O)_(3)/(H)_(2)S(O)_(4) A→B HCl-|||-(3)(2)中的最终产物过量 (O)_(2)/HCl A- 过量 B-|||-_OH-|||-(4) (H)_(3)- -NH2 _(2)/(H)_(2)O A- 0~5℃ B C-|||-H3PO2-|||-NO2 NH2 _(2)Cl C2H5OH B-|||-(5) a □ b -□ c 1 HBr-|||-_(11)Br,Delta -|||-C-|||-KCN D-|||-,Delta -|||-(H)_(3)- -N(H)_(2)-|||-CH3COONa E

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