[Hoá 10]điều chế: axit HCl,FeCl2,FeCl3,nước javen,clorua vôi , nước clo, kali clorat

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[TEX]2NaCl dp = 2Na + Cl_2[/TEX]
[TEX]2Na+2H_2O =2NaOH + H_2 [/TEX]
[TEX]Cl_2 + H_2O = HCl + HClO[/TEX]
[TEX]3Cl_2 + 2Fe=2FeCl_3[/TEX]
[TEX]2FeCl_3 + Fe =3FeCl_2 [/TEX]
[TEX]6KOH +3Cl_2 + Q = KClO_3 + 5KCl + 3H_2O [/TEX]
[TEX]Ca(OH)_2 + Cl_2 =CaOCl_2 + H_2O[/TEX]
[TEX]2NaOH +Cl_2 = NaCl + NaKClO + H_2O [/TEX]
[TEX]H_2+Cl_2=2HCl[/TEX]
 
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