S block



  • What is the order of solubility alkali metal halides( the order of same metal and different halides and different metals and same halides)



  • Each has different order:
    1-Halides of Li
    Lif<LiCl<LiBr<LiI
    2-Halides of Na
    (same order)
    3-Halides if Cs
    (same order?)
    4-Flourides of Alkali Metal
    Lif<NaF<KF<RbF
    These orders are based on the concept of size difference between cation and anion.
    Greater the size difference between cation and anion more is the solubility.
    Here are some exceptions:
    5-Chlorides of Alkali Metal
    LiCl>CsCl>RbCl>NaCl>KCl
    6-Iodides of AM
    NaI>LiI>KI>RbI>CsI


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