Bài tập chuỗi phản ứng

1 12H 2O  Al4C3 � 4Al  OH   3CH o t �CH � Na2CO3 CH 3COONa NaOH ��� CaO o t � CH �C3H � C4H 10 �� xt o 1500 C �C2H �2H � 2CH ����� lamlanh nhanh o 600 C � H 2O  HCHO CH  O2 ��� NO anh.sang � CH 3Cl � HCl � CH  Cl2 ���� HCHO  H � CH 2OH FeCl ,Z nCl2 �CH 3Cl  H 2O CH 3OH  HCl ����� o t CH 3Cl  NaOH dd �� �CH 3OH  NaCl o 600 C � 2H 2O  2HCHO 10 2CH 3OH  O2 ��� Ag 11 CH 3OH  CuO � Cu  H 2O  HCHO o t � 2Ag  HCOOH 12 HCHO  Ag2O ����� AgNO3 ,NH H 2SO4 � CH 3CHO 13 C2H  H 2O ��� o t � C2H 14 C2H  H �� Pd 15 3C2H � C6H o 150 C � C4H 16 2C2H ��� CuCl o t � 2CH 3COOH 17 2CH 3CHO  O2 ��� Mn2 18 CH 3COOH  NaOH � CH 3COONa H 2O o t � CH � Na2CO3 19 CH 3COONa NaOH ��� CaO o t �C6H 5Br  HBr � 20 C6H  Br2 �� Fe 21 C6H 5Br  NaOH � C6H 5ONa HBr o t �C6H 5OH  NaHCO3 22 C6H 5ONa H 2O  CO2 ���� p,NaOH dac 23