1) NaCl –> HCl –> CuCl 2 –> AgCl 2) Cl 2 –> Br 2 –> I 2 10/08/2021 Bởi Sadie 1) NaCl –> HCl –> CuCl 2 –> AgCl 2) Cl 2 –> Br 2 –> I 2
1 / `2NaCl + H_2SO_4 \overset{>700^0C}to\ Na_2SO_4 + 2HCl ( 1 ) ` `2HCl + CuO -> CuCl_2 + H_2O ( 2 ) ` `CuCl_2 + AgNO_3 -> Cu(NO_3)_2 + AgCl ↓ ( 3 )` 2 / `Cl_2 + 2NaBr -> 2NaCl + Br_2 ( 1 ) ` `Br _2 + 2NaI -> 2NaBr + I_2 ( 2 ) ` Bình luận
2NaCl+H2SO4->Na2SO4+2HCl CuO+2HCl->CuCl2+H2O CuCl2+2AgNO3->Cu(NO3)2+2AgCl 2/ 2AgCl->(as) 2Ag+Cl2 Cl2+2KBr->2KCl+Br2 Br2+2HI->2HBr+I2 Bình luận
1 /
`2NaCl + H_2SO_4 \overset{>700^0C}to\ Na_2SO_4 + 2HCl ( 1 ) `
`2HCl + CuO -> CuCl_2 + H_2O ( 2 ) `
`CuCl_2 + AgNO_3 -> Cu(NO_3)_2 + AgCl ↓ ( 3 )`
2 /
`Cl_2 + 2NaBr -> 2NaCl + Br_2 ( 1 ) `
`Br _2 + 2NaI -> 2NaBr + I_2 ( 2 ) `
2NaCl+H2SO4->Na2SO4+2HCl
CuO+2HCl->CuCl2+H2O
CuCl2+2AgNO3->Cu(NO3)2+2AgCl
2/
2AgCl->(as) 2Ag+Cl2
Cl2+2KBr->2KCl+Br2
Br2+2HI->2HBr+I2