Ionic or Electrovalent Bond
Ionic or Electrovalent Bond: Overview
In this topic, we will learn the concept of ionic or electrovalent bonds. It explains electron gain enthalpy with the help of a diagram. It describes the concept of lattice enthalpy.
Important Questions on Ionic or Electrovalent Bond
A metal, M forms chlorides in its and Oxidation states. Which of the following statements about these chlorides is correct?

Based on lattice energy and other considerations which of the following alkali metal chloride is expected to have the highest melting point ?

Which of the following bonging is present in ionic compounds?

Why ionic compounds do not exhibit space isomerism?

Explain the non directional nature of ionic bond?

Which of the following alkali metal chloride solution shows more conductivity?

Conductivity of chlorides of different alkali metals depends on?

Ionic compounds do not conduct electricity in solid state. Identify the correct reason.

Ionic compounds do not conduct electricity in solid state.

Define brittleness.

Why are ionic compounds brittle?

There is a presence of strong electrostatic forces of attraction in _____ solids.

Explain why ionic solids are hard and brittle?

Which of the following has the highest boiling point?

Select the compound having the lowest boiling point.

Melting and Boiling point of ionic compounds are high. Why?

Which force is responsible for high boiling point of ionic compounds?

Explain why ionic compounds have high boiling point?

The melting point of sodium chloride is more than that of sodium. Justify.

Magnesium oxide has a higher melting point than Sodium chloride. Justify your answer.
