Đáp án:
Giải thích các bước giải:
53. Br2+2KI--->2KBr+I2
54. MnO2+4HCl--->MnCl2+Cl2+2H2O
55.2HCl+Fe--->FeCl2+H2
56. F2+H2--->2HF
57. 3 F2+2Au--->2AuF3
58. 2F2+2H2O--->4HF+O2
59. 4HF+SiO2--->SiF4+2H2O
60. 3Br2+2Al--->2AlBr3
61. H2+Br2--->2HBr
62. Br2+H2O--->HBr+HBrO
63. 2 AgBr--->2Ag+Br2
64. 4 HBr+O2--->2Br2+2H2O
65. SO2+Br2+2H2O---> H2SO4+2HBr
66. 3 I2+2Al--->2AlI3
67. I2+H2--->2HI
68. Cl2+2NaBr--->2NaCl+Br2