MgCl2 (Magnesium dichloride) is an ionic compound. The ionic bond between the magnesium and chlorine atoms is established when the magnesium atom loses two electrons to produce the Mg2+ ion and each chlorine accepts one electron to form the Cl– ion. Ionic bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom.
MgCl2 is an ionic solid, so it is a polar compound since it is made up of ions.
Magnesium Chloride is a colorless crystalline compound. The salt is very hygroscopic. It has a density of 2.325 g/cm3 (anhydrous), 1.56 g/cm3 (hexahydrate), and a high melting point of 987 K.
Magnesium chloride hexahydrate is only stable below 373 K and decomposes at 391 K.
In the case of Magnesium chloride(MgCl2), Mg is sp hybridized with a bond angle of 180o and hence is linear.
MgCl2 consists of Mg2+ and Cl- ions held together by ionic bonding forces; PCl3 consists of polar molecules, so intermolecular dipole-dipole forces are present.
Solid magnesium chloride is a non-conductor of electricity because the ions aren’t free to move. However, it undergoes electrolysis when the ions become free on melting.
Magnesium chloride is used to treat or prevent magnesium deficiency (lack of natural magnesium in the body).
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Frequently Asked Questions
1. SO2 Ionic or Covalent?
SO2 (sulfur dioxide) is a covalent molecule. Sulfur and oxygen atoms with the same electronegativity attempt to bond together. Because of the slight difference in electronegativity between the two atoms, electron bonds are shared, resulting in covalent bonds. (Read full article SO2 ionic or covalent?)
2. Is Sodium Phosphate ionic?
Sodium phosphate is an ionic compound made up of sodium cation and phosphate anion. This salt is found in both hydrated and anhydrous forms, with anhydrous (water-free) sodium phosphate being more common in nature. (Read full article Sodium Phosphate – Formula, Structure, Types, and Uses)
3. Is h2s ionic or covalent?
Because hydrogen has an electronegativity of around 2.2 and sulfur has an electronegativity of 2.56, H2S bonds are covalent. Hydrogen is a reducer and sulfur oxidizer due to its lower electronegativity (Read full article Is h2s ionic or covalent).
4. is silicon carbide ionic or covalent?
Silicon Carbide (SiC) is solid with a covalent network. When we examine its structure, we can see that silicon atoms are tetrahedrally linked to carbon atoms by a covalent connection.
5. What is Silicon dioxide?
Silicon dioxide (SiO2), is commonly known as silica. The most common and important silicon chemical is silica. In Silica, each silicon atom is tetrahedrally bonded to four oxygen atoms, with each oxygen atom having two close silicon neighbors. It constitutes the vast bulk of known rocks, accounting for more than 95 percent of all known rocks. The Earth’s crust is composed of 59% silica.
Silica has three main crystalline varieties: quartz (by far the most abundant), tridymite, and cristobalite. Other varieties include coesite, keatite, and lechatelierite
6. Is MgCl2 Ionic or Covalent?
When the magnesium atom loses two electrons to create the Mg2+ ion and each chlorine receives one electron to form the Cl– ion, an ionic connection is formed between the magnesium and chlorine atoms.
7. What is sodium phosphate formula and molar mass?
Sodium phosphate formula is Na3PO4
molar mass = (3 x mol mass of Na) + mol mass of P+ (4 x mol mass of Oxygen)
molar mass of Na3PO4 =3×23+1×31+4×16=164gmol−1
8. What is the difference between electronegativity and electron affinity?
The amount of energy released when an electron is added to a neutral atom or molecule in the gaseous state to generate a negative ion is described as electron affinity. Electronegativity, on the other hand, is the tendency of an atom to attract the electron density in a shared link. Electronegativity and electron affinity are both connected in some manner to electron mobility. Read the full article “Difference between electronegativity and electron affinity”.
9. What is the magnesium element?
Magnesium (Mg) is a chemical element with an atomic weight of 24,312 and an atomic number of 12. It belongs to Periodic Table Group IIa. Magnesium is a metallic element with a silvery-white color. It has a relative density of 1740 kg/m3 (0.063 pounds per inch3 or 108.6 pounds per square foot). Because of its low weight and ability to make mechanically robust alloys, it has long been recognized as the lightest structural metal in the industry.
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