Hoàn thành các chuỗi phản ứng sau. A/ kmo4->cl2->hcl->fecl3->nacl->cl2->kclo3->kcl->hcl->hno3 01/12/2021 Bởi Eva Hoàn thành các chuỗi phản ứng sau. A/ kmo4->cl2->hcl->fecl3->nacl->cl2->kclo3->kcl->hcl->hno3
2KMnO4+ 16HCl -> 2KCl+ 2MnCl2+ 5Cl2+ 8H2O Cl2+ H2 $\buildrel{{as}}\over\longrightarrow$ 2HCl Fe(OH)3+ 3HCl -> FeCl3+ 3H2O FeCl3+ 3NaOH -> Fe(OH)3+ 3NaCl 2NaCl $\buildrel{{đpnc}}\over\longrightarrow$ 2Na+ Cl2 3Cl2+ 6KOH $\buildrel{{t^o}}\over\longrightarrow$ 5KCl+ KClO3+ 3H2O KClO3+ 6HCl -> KCl+ 3Cl2+ 3H2O KCl (khan)+ H2SO4 (đ) $\buildrel{{t^o}}\over\longrightarrow$ KHSO4+ HCl HCl+ AgNO3 -> AgCl+ HNO3 Bình luận
Đáp án: 2KMnO4 + 16HClđ $\buildrel{{t^o}}\over\longrightarrow$ 2KCl + 2MnCl2 +5Cl2 + 8H2O Cl2 + H2 $\buildrel{{as}}\over\longrightarrow$ 2HCl 6HCl + Fe2O3 –> 2FeCl3 + 3H2O FeCl3 +3 NaOH –> Fe(OH)3 + 3NaCl 2NaCl $\buildrel{{đpnc}}\over\longrightarrow$ 2Na +Cl2 3Cl2 + 6KOHđ $\buildrel{{100^oC}}\over\longrightarrow$ KClO3 + 5KCl +3 H2O KClO3 +6 HClđ $\buildrel{{t^o}}\over\longrightarrow$ KCl + 3Cl2 + 3H2O 2KCl(tt)+ H2SO4đ $\buildrel{{t^o}}\over\longrightarrow$ K2SO4 + 2HCl HCl + AgNO3 –> AgCl + HNO3 Giải thích các bước giải: Bình luận
2KMnO4+ 16HCl -> 2KCl+ 2MnCl2+ 5Cl2+ 8H2O
Cl2+ H2 $\buildrel{{as}}\over\longrightarrow$ 2HCl
Fe(OH)3+ 3HCl -> FeCl3+ 3H2O
FeCl3+ 3NaOH -> Fe(OH)3+ 3NaCl
2NaCl $\buildrel{{đpnc}}\over\longrightarrow$ 2Na+ Cl2
3Cl2+ 6KOH $\buildrel{{t^o}}\over\longrightarrow$ 5KCl+ KClO3+ 3H2O
KClO3+ 6HCl -> KCl+ 3Cl2+ 3H2O
KCl (khan)+ H2SO4 (đ) $\buildrel{{t^o}}\over\longrightarrow$ KHSO4+ HCl
HCl+ AgNO3 -> AgCl+ HNO3
Đáp án:
2KMnO4 + 16HClđ $\buildrel{{t^o}}\over\longrightarrow$ 2KCl + 2MnCl2 +5Cl2 + 8H2O
Cl2 + H2 $\buildrel{{as}}\over\longrightarrow$ 2HCl
6HCl + Fe2O3 –> 2FeCl3 + 3H2O
FeCl3 +3 NaOH –> Fe(OH)3 + 3NaCl
2NaCl $\buildrel{{đpnc}}\over\longrightarrow$ 2Na +Cl2
3Cl2 + 6KOHđ $\buildrel{{100^oC}}\over\longrightarrow$ KClO3 + 5KCl +3 H2O
KClO3 +6 HClđ $\buildrel{{t^o}}\over\longrightarrow$ KCl + 3Cl2 + 3H2O
2KCl(tt)+ H2SO4đ $\buildrel{{t^o}}\over\longrightarrow$ K2SO4 + 2HCl
HCl + AgNO3 –> AgCl + HNO3
Giải thích các bước giải: