Cl₂ +H₂ ＝2HCl (光照或点燃)              Cl₂ +2Na 2NaCl

3Cl₂ +2P 2PCl₃                      Cl₂ +PCl₃  PCl₅                   

3Cl₂ +2Fe 2FeCl₃                    Cl₂+Cu CuCl₂ 

Cl₂ +2FeCl₂ ＝2FeCl₃                     2Cl₂+2NaBr＝2NaCl+Br₂

Cl₂ + 2KI ＝2KCl + I₂                   * 5Cl₂+I₂+6H₂O＝2HIO₃+10HCl

Cl₂ +Na₂S＝2NaCl+S↓                    Cl₂ +H₂S＝2HCl+S↓

Cl₂+SO₂ +2H₂O＝H₂SO₄ +2HCl             Cl₂+H₂SO₃+ H₂O＝H₂SO₄+2HCl

Cl₂+H₂O＝HCl +HClO                    Cl₂ +H₂O₂ ＝2HCl+O₂

Cl₂+2NaOH＝NaCl+NaClO+H₂O           2Cl₂+2Ca(OH)₂＝CaCl₂+Ca(ClO)₂+2H₂O

3Cl₂ +6KOH(热、浓)＝5KCl+KClO₃+3H₂O