24.
$2KMnO_4+16HCl\to 2KCl+2MnCl_2+5Cl_2+8H_2O$
$KClO_3+6HCl\to KCl+3Cl_2+3H_2O$
$K_2Cr_2O_7+14HCl\to 2KCl+2CrCl_3+3Cl_2+7H_2O$
$Cl_2+CaO\to CaOCl_2$ (clorua vôi)
$Cl_2+2KOH\to KCl+KClO+H_2O$
$2KCl+2H_2O\buildrel{{đpmn}}\over\to 2KOH+H_2+Cl_2$
$KOH+HCl\to KCl+H_2O$
$2KCl\buildrel{{đpnc}}\over\to 2K+Cl_2$
$3Cl_2+6KOH\buildrel{{t^o}}\over\to 5KCl+KClO_3+3H_2O$
$2KClO_3\buildrel{{t^o}}\over\to 2KCl+3O_2$
$Cl_2+H_2\buildrel{{t^o}}\over\to 2HCl$
$Fe+2HCl\to FeCl_2+H_2$
$2FeCl_2+Cl_2\to 2FeCl_3$
$2FeCl_3+Fe\to 3FeCl_2$
$Cl_2+2KOH\to KCl+KClO+H_2O$
$Cl_2+H_2O\rightleftharpoons HCl+HClO$ (axit hipoclorơ)
25.
(1) $N_2+3H_2\buildrel{{t^o, p, xt}}\over\rightleftharpoons 2NH_3$
(2) $NH_3+HCl\to NH_4Cl$
(3) $NH_4Cl+AgNO_3\to AgCl+NH_4NO_3$
(4) $NH_4NO_3+KOH\to KNO_3+NH_3+H_2O$
(5) $CO_2+2NH_3\buildrel{{t^o, p, xt}}\over\rightleftharpoons CO(NH_2)_2+H_2O$
(6) $N_2+O_2\buildrel{{3000^oC, t^o}}\over\to 2NO$
(7) $2NO+O_2\to 2NO_2$
(8) $4NO_2+2H_2O+O_2\to 4HNO_3$
(9) $CuO+2HNO_3\to Cu(NO_3)_2+H_2O$
(10) $Cu(NO_3)_2+2KOH\to Cu(OH)_2+2KNO_3$
(11) $NH_3+HNO_3\to NH_4NO_3$
