Question

Hoàn thành phương trình phản ứng theo chuỗi biên hóa sau (ghi rõ đk nếu có)
a/ MnO2 Cl2→ CuCl2→ NaCl →NAOH → NaClO -→ HC1O
b/ KMNO4→ Cl2→ HCl → KCI → KOH → KCI → Cl2→ FeCl3→ Fe(N03)3
c/ Cl2→ NaCl → AgCl → Cl2→ NaClO –→ Cl2→ CaOCl2
d/ H2 HCl - FeCl2 FeCl3→NaCl → HCI → CaCl2→ CACO3

Answer 1

$a) MnO_2 + 4HCl \xrightarrow{t^o} MnCl_2 + Cl_2 + 2H_2O$
$Cl_2 + Cu \xrightarrow{t^o} CuCl_2$

$CuCl_2 + 2NaOH \to Cu(OH)_2 + 2NaCl$
$2NaCl + 2H_2O \xrightarrow{đpdd, cmn} 2NaOH + H_2 + Cl_2$
$2NaOH + Cl_2 \to NaCl + NaClO + H_2O$
$NaClO + HCl \to NaCl + HClO$

b)

$2KMnO_4 + 16HCl \to 2KCl + 2MnCl_2 + 5Cl_2 + 8H_2O$
$Cl_2 + H_2 \xrightarrow{ánh\ sáng} 2HCl$
$HCl + KOH \to KCl + H_2O$

$2KCl + 2H_2O \xrightarrow{đpdd, cmn} 2KOH + H_2 + Cl_2$
$3Cl_2 + 2Fe \xrightarrow{t^o} 2FeCl_3$

$FeCl_3 + 3AgNO_3 \to Fe(NO_3)_3 + 3AgCl$

Answer 2