Решите последние два СРОЧНО!
1) I2 + 2Na -> 2NaI 2NaI + Cl2 -> 2NaCl + I2 3I2 + 2Al -> 2AlI3 AlI3 + 3NaOH -> Al(OH)3 + 3NaI 2) 3Br2 + 2Al -> 2AlBr3 AlBr3 + 3NaOH -> Al(OH)3 + 3NaBr 2Al(OH)3 -> Al2O3 + 3H2O Al2O3 + 3H2 -> 2Al +3 H2O