D¹ng II. S¬ ®å chuyÓn ho¸

1. ViÕt PTHH theo s¬ ®å sau :

                                    MgSO₄      

SO₂           H₂SO₄                                  MgCl₂

                                     HCl                                              

   2.T×m c¸c ch÷ c¸i A,B,C,D,E thÝch hîp, viÕt PTHH x¶y ra

       (1)   A  +   Cl₂                B

       (2)   B   + Al (d­)           AlCl₃  +  A

       (3)   A   +  O₂              C

       (4)   C    +   H₂SO₄              D  +  E  +  H₂O

  3. Chän c¸c chÊt A,B,C,D thÝch hîp, viÕt PTHH x¶y ra

       A

       B             CuSO₄          CuCl₂            Cu(NO₃)₂             A           B              C

       C

  4.Hoµn thµnh c¸c ph­¬ng tr×nh d­íi ®©y :

    a.   Na₂SO₄  +  X₁               BaSO₄    + Y₁

          Ca(HCO₃)₂  +  X₂             CaCO₃   +   Y₂

          CuSO₄  +    X₃            CuS    +    Y₃

          MgCl₂   +  X₄              Mg₃(PO₄)₂    +     Y₄

    b. A   +  B           CaCO₃      +    NaCl

        C   +   D              ZnS        +      KNO₃ 

        E    +   F                 Ca₃(PO₄)₂        +     NaNO₃ 

        G    +    H                BaSO₄            +      MgCl₂ 

   c.   KHS   +   A              H₂S    +   …

         HCl    +    B                CO₂   +   …

          CaSO₃   +      C              SO₂  +  …

         H₂SO₄     +      D               BaSO₄      +     CO₂   +  ….

1.      ViÕt c¸c PTP¦ theo c¸c s¬ ®å biÕn ho¸ sau :

Fe₂(SO₄)₂               Fe(OH)₃                           Cu               CuCl₂

                      FeCl₃                                                     CuSO₄ 

  7.ViÕt c¸c PTP¦ theo s¬ ®å biÕn ho¸

                +X     A      +Y

         Fe₂O₃                       FeCl₂

               +Z        B       +T          

   trong ®ã A,B,X,Y,Z,T lµ c¸c chÊt kh¸c nhau

8..ViÕt c¸c PTP¦ theo s¬ ®å hai chiÒu sau :

    S              SO₂                  H₂SO₄               CuSO₄ 

                    K₂SO₃

9.Cho s¬ ®å biÕn ho¸ :

  a.                                                                  A₁          A₂            A₃

                                     Fe(OH)₃                                                                          Fe(OH)₃

                                                                       B₁          B₂             B₃

    T×m c«ng thøc cña c¸c chÊt øng víi c¸c chÊt A_1,, A₂, …..viÕt PTP¦ theo s¬ ®å

  b.

                                                                            A₁             A₂               A₃

                                           CaCO₃                                                  CaCO₃                  CaCO₃

                                                                             B₁             B₂               B₃   

         .. +X,t⁰

  c.     A

              +Y,t⁰                   + B                  +E

         A                      Fe                D                     C

              +Z,t⁰

          A

    BiÕt r»ng :     A  +  HCl               D  +   C    +  H₂O