Which chlorides does Li and Mg form?


Both LiCl and MgCl2 are deliquescent, absorbing moisture from the environment and soluble in alcohol and pyridine. As hydrated crystals, they separate from aqueous solutions.

Lithium chloride (LiCl)

  • Lithium chloride is a hygroscopic white solid that dissolves in water, alcohol, and ether.
  • Hydrochloric acid reacts with lithium hydroxide to produce it.
  • The resulting solution is evaporated to get a mixture of saturated solution and lithium chloride crystals.
  • Lithium chloride is a solid which absorbs water to form a hydrate, LiCl.H2O

Magnesium chloride (MgCl2)

  • Magnesium Chloride is also called Magnesium dichloride or magnesium (II) chloride or Chloromagnesite and has one magnesium (Mg) and two chloride ions (Cl-)
  • MgCl2 can be extracted from seawater or brine and is chemically named as Magnesium Chloride.
  • Magnesium dichloride and its salts are ionic halides and appear as thin white to gray granules.
  • It is odourless and is highly soluble in water. It is widely used as a medicine for various cellular activities.

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