Answer the following case-based question:
We know that, metal atoms have loosely bound valence electrons in their valence shell and non-metal atoms need electrons in their valence shell to attain noble gas configuration. An ionic bond is the type of chemical bond in which two oppositely charged ions are held through electrostatic forces.
a. Why do ionic compounds have very high melting points?
b. Which of the following statements is correct about ionic compounds?
I. They conduct electricity in solid state.
II. They conduct electricity in solutions.
III. They conduct electricity in molten state.
I. They conduct electricity in solid state.
II. They conduct electricity in solutions.
III. They conduct electricity in molten state.
c. Which of the following change to a anion?
d. When an ionic compound dissolves in water, electrical conductivity occurs due to: