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boiling point of mgcl2
The boiling point of a substance is the maximum amount of energy that it can take to change its liquid state into a gas. This is a result of the bonding between the particles in the liquid state.
This boils down to whether the particles are covalent or ionic. The bonds in a covalent molecule are secondary in nature and thus require not a lot of energy to break them. The same is not true for ionic compounds.
MgCl2 has a high boiling point because it contains strong ionic bonds between the magnesium ions and chlorine ions that create a solid at room temperature. These ionic bonds are formed by the attraction of electrons from the outer orbitals of the magnesium ion and the chlorine ions.
The ionic bonding of MgCl2 is so strong that it retains its crystalline structure at room temperature and requires a lot of energy to break. This is the reason that the melting and boiling points of MgCl2 are above 500o C.
Why does it have a higher boiling point than sodium chloride?
The boiling point of mgcl2 is higher than that of sodium chloride because it contains ionic bonds. These ionic bonds require a lot of energy to break and hence the higher boiling point.
Another important feature of MgCl2 is that it does not contain unpaired electrons in its valence shell. This property makes it non-paramagnetic and not odorous. It is used as a component of various diet supplements and medicines that help in treating the magnesium deficiency. It is also used in the manufacture of polyolefins and Ziegler-Natta catalysts as a support. It is also a component of various de-icing products that are used to prevent snow and ice buildup on roads, parking lots, sidewalks and other transport ways in low-temperature areas.