Question

11. What are the ions present in NaCl and Mgo? Comment upon the physical nature and conduction of electricity in ionic compound ​

Answer 1

Answer:

Magnesium Oxide (MgO) has a higher melting point than Sodium Chloride (NaCl) which is around 2,800 degrees Celcius. This is because its Mg2+ and O2- ions have a greater number of charges, and so form stronger ionic bonds, than the Na+ and Cl– ions in Sodium Chloride.

Salt (NaCl) is an ionic bond that consists of Sodium (Na) which is a metal with positive charge combines with Chlorine (Cl), a nonmetal with a negative charge. Another example of an ionic bond is Magnesium Hydroxide Mg(OH)2 which a combination of Magnesium (Mg) and Hydroxide (OH). Here, Magnesium is a metal with cations and Hydroxide is a nonmetal with anions. Iron Oxide (Fe2O3) also known as rust is also an ionic bond, it has metallic compound Iron (Fe) which contains positively charged cations and it has nonmetallic compound Oxygen (O) which contains negatively charged anions.

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