Question

Explain why ionic compounds have high boiling and melting points?​

Answer 1

Answer:

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1. Millions of ions in the lattice are held together by strong forces of electrostatic attraction between the ions.
2. As the result of this A large amount of energy is needed to overcome these many strong bonds.
3. So, they have high boiling and melting points.

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Answer 2

Answer: Strong electrostatic force of attraction between oppositely charged ions is the cause of high melting and boiling point of ionic compounds like NaCl.

More energy is required to break the ionic bond. Therefore ionic compounds have high m.p. and b.p.