質問: - Câu hỏi của Shino Asada **Dạng** **1:** **H****oàn thành các** **phương trình phản ứng** **(ghi điều kiện nếu có)** a. HCl \(\rightarrow\) Cl2 \(\rightarrow\) FeCl3 \(\rightarrow\) NaCl \(\rightarrow\) HCl \(\rightarrow\) CuCl2 \(\rightarrow\) AgCl b. HCl → Cl2 → NaCl → HCl → FeCl2 c. MnO2 → Cl2 → KCl → HCl → Cl2 → Br2\(\rightarrow\)I2 d. KMnO4 \(\rightarrow\)Cl2 \(\rightarrow\)HCl \(\rightarrow\) FeCl3 \(\rightarrow\) AgCl
回答: a/ \(2HCl\underrightarrow{^{đpdd}}H_2+Cl_2\) \(3Cl_2+2Fe\underrightarrow{^{to}}2FeCl_3\) \(FeCl_3+3NaOH\rightarrow3NaCl+Fe\left(OH\right)_3\) \(2NaCl+H_2SO_4\underrightarrow{^{to}}Na_2SO_4+2HCl\) \(HCl+CuO\rightarrow CuCl_2+H_2O\) \(CuCl_2+AgNO_3\rightarrow AgCl+Cu\left(NO_3\right)2\) b/ \(2HCl\underrightarrow{^{đpdd}}H_2+Cl_2\) \(Cl_2+2Na\underrightarrow{^{to}}2NaCl\) \(2NaCl+H_2SO_{4_{dac}}\underrightarrow{^{to}}Na_2SO_4+2HCl\) \(2HCl+Fe\rightarrow FeCl_2+H_2\) c/ \(MnO_2+4HCl_đ\underrightarrow{^{to}}MnO_2+Cl_2+2H_2O\) \(Cl_2+2K\underrightarrow{^{to}}2KCl\) \(2KCl+H_2SO_4\underrightarrow{^{to}}K_2SO_4+2HCl\) \(2HCl\underrightarrow{^{đpdd}}H_2+Cl_2\) \(Cl_2+2NaBr\rightarrow2NaCl+Br_2\) \(Br_2+2NaI\rightarrow NaBr+I_2\) d/ \(2KMnO_4+16HCl_đ\underrightarrow{^{to}}2KCl+2MnCl_2+5Cl_2+8H_2O\) \(Cl_2+H_2\underrightarrow{^{as}}2HCl\) \(Fe_2O_3+6HCl\rightarrow2FeCl_3+3H_2O\) \(FeCl_3+3AgNO_3\rightarrow3AgCl+Fe\left(NO_3\right)_3\)