Câu 1:
(1) $MnO_{2}$ + $4HCl_{}$ → $MnCl_{2}$ + $Cl_{2}↑$ + $2H_{2}$$O_{}$
(2) $Cl_{2}$ + $SO_{2}$ + $2H_{2}$$O_{}$ → $2HCl_{}$ + $H_{2}$$SO_{4}$
(3) $2Fe_{}$ + $6H_{2}$$SO_{4 đ/nóng}$ → $Fe_{2}$$(SO_{4})_{3}$ + $3SO_{2}↑$ + $6H_{2}$$O_{}$
(4) $SO_{2}$ + $2H_{2}$$S_{}$ → $3S_{}$ + $2H_{2}$$O_{}$ (đk: $t^{o}$ cao)
Câu 2:
a) $2NaOH_{loãng}$ + $Cl_{2}$ → $NaCl_{}$ + $NaClO_{}$ + $H_{2}$$O_{}$
b) $Fe_{2}$$O_{3}$ + $6HCl_{}$ → $2FeCl_{3}$ + $3H_{2}$$O_{}$
#Team HONKAI IMPACT
