In each bond of Mg-Cl present inside a molecule of MgCl2, we have Mg bearing an electronegativity value of 1. As the difference in electronegativity between atoms increases, the ionic character of the bond increases, and usually, a difference more than 1. Mg-Cl is therefore an ionic bond and the molecule is polar-ionic in nature. Hence, we have a polar molecule. The positively charged Mg coordinates with oxygen whereas Cl coordinates with hydrogen and thus MgCl2 dissolves in water.
KCl is also one such ionic compound. I have written an article on it too. This theory deals with the concept of electron sharing arrangement and therefore not applicable for ionic compounds where bonds form via transfer of electrons resulting in positive and negative charges.
VSEPR is only applicable for those ionic compounds where there is polyatomic ion arrangement like nitrates and carbonates. Magnesium chloride forms lattice structures for their crystalline arrangement. The coordination geometry refers to the geometric pattern arrangement of atoms around the central atom. For MgCl2, it is a 6-coordinate octahedral.
Orbital hybridization is a concept to describe the process of chemical bonding inside several molecular compositions. In this model, we discuss the combination of several atomic orbitals of the same atoms having equivalent energies to form hybridized orbitals that take part in bonding. However, in ionic compounds like MgCl2, we find that molecules are formed via the complete transfer of electrons from the electropositive atom to the comparatively electronegative atom to result in ions.
Here, electrostatic attraction comes into play and ionic bonds formed are non-directional. We do not need to deal with energies of orbitals in this case and thus hybridization is not required. In this article, we have discussed the ionic halide, Magnesium Chloride MgCl2. To discuss the nature and type of bond formation, we have included the steps to draw the Lewis Structure.
Other than this, we have talked about the polarity and coordination geometry of MgCl2. November 9, November 9, November 8, November 7, Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Is Magnesium chloride MgCl2 ionic or covalent? Types of bond in MgCl2. Page Contents show. Why Magnesium chloride MgCl2 is an ionic compound? Usually, the metal atom transfers the electron whereas the nonmetal accepts the electron.
How ionic bond is formed in MgCl2? An ionic bond is formed either by giving or taking electrons. The formation of ionic bond in MgCl2 usually take three process- 1. Why is MgCl2 not a covalent compound? Energy involving in the process of ionic bond formation in MgCl2? The formation of a bond releases the energy whereas the breaking of the bond absorbs the energy.
There are three types of energy involved in the process of ionic bond formation in MgCl2. Ionization enthalpy b. Electron gain enthalpy c. Lattice energy. Properties of Magnesium chloride It appears as a white crystalline solid.
It is soluble in water, acetone, and pyridine. Magnesium chloride has an octahedral coordination geometry. The hydrated magnesium chloride is extracted from seawater or brine. Uses of Magnesium Chloride Magnesium chloride is used as a catalyst to produce polyolefins.
It is used for de-icing the highway, sidewalks, and parking. It is used as a food additive. It is used for soil stabilization, dust control, and wind erosion as well. It is used in nutraceutical and pharmaceutical preparations. Subscribe to Blog via Email Enter your email address to subscribe to this blog and receive notifications of new posts by email. Share it Related Posts: Is Na2O ionic or covalent? Ionic vs Covalent… Is AlCl3 ionic or covalent or both?
What type of… Is H2S ionic or covalent or both? Type of bond in… Is NO2 covalent or ionic or both? Types of bond in NO2. Leave a Comment Cancel Reply Your email address will not be published. Type here.. Quick Links. Content Links. Math Chemistry Career. Nitrogen monoxide NO will be a covalently bound molecule two non-metals , silicon dioxide SiO 2 will be a covalently bound molecule a semi-metal and a non-metal and MgCl 2 will be ionic a metal and a non-metal.
Calcium chloride is an ionic compound of calcium and chlorine. It is highly soluble in water and it is deliquescent. It is a salt that is solid at room temperature, and it behaves as a typical ionic halide.
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