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What is water of crystallisation?

  1. May 22, 2012 #1
    Does the water molecule act as a ligand or is it trapped in the crystal lattice somehow?

    If it is trapped in the crystal lattice then why it is found in a specific ratio? And why some metal salts like lithium form water of crystallisation more than other metal salts?
     
  2. jcsd
  3. May 23, 2012 #2

    Borek

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    Staff: Mentor

    Both scenarios possible.

    Crystal lattice contains well defined number of right sized vacancies that water molecule can fit in.
     
  4. May 23, 2012 #3
    Okay, i suppose the d-block elements mostly have water of crystallisaiton as ligands, right? And others like alkali metals in their crystal lattice?

    Also what makes some salts like Lithium salts so deliquescent?
     
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