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Compounds of Magnesium

By admin • Mar 17th, 2008 • Category: Uncategorized

COMPOUNDS OF MAGNESIUM

COMPOUND

PREPARATION

PROPERTIES

Magnesium oxide (MgO)

heat

2Mg(NO3)2 è 2MgO + NO2 + O2
2MgSO4 è 2MgO + SO2 + O2

 

White powder

 

Slightly soluble in water

 

MgO + HCl
è 2MgCl2 + H2O

Magnesium hydroxide Mg(OH)2

MgCl2 + Ca(OH)2 […]



Magnesium

By admin • Mar 17th, 2008 • Category: Uncategorized

MAGNESIUM
Magnesium is a silvery reactive element belonging to the group II of the periodic table. It is characterised by

 

Atomic number 12

 

Relative atomic mass 24.321

 

Relative density 1.74

 

Melting point 651OC

 

Boiling point 1107OC

OCCURRENCE
Magnesium basically occurs in minerals, as magnesite(MgCO3), dolomite(MgCl2.KCl.6H2O) and dolomite (MgCO3.CaCO3).
EXTRACTION
Magnesium is prepared by the electrolysis of fused magnesium chloride
MgCl2 è Mg2+ […]