Explain the following:

(b) Electrovalent compounds have a high melting point and boiling point, while covalent compounds have low melting and boiling points.

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Solution

Electrovalent compounds have a strong force of attraction between the oppositely charged ions, so a large amount of energy is required to break the strong bonding force between ions. So, they have high boiling and melting points.

Covalent compounds have weak force of attraction between the binding molecules; thus, less energy is required to break the force of binding.

So, they have low boiling and melting points.

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Similar questions

Explain the following :

(a) Electrovalent compounds conduct electricity in molten or aqueous state.

(b) Electrovalent compounds have a high melting point and boiling point while covalent compounds have low melting and boiling points.

(d) Atoms combine by transfer and sharing of electrons (s).

(e) An element has atoms with different mass number.

Explain the following :

(a) Electrovalent compounds conduct electricity in molten or aqueous state.

(b) Electrovalent compounds have a high melting point and boiling point while covalent compounds have low melting and boiling points.

Explain Electrovalent compounds have a high melting point and boiling point while covalent compounds do not.

Explain the following:

Ionic compounds have high melting and boiling points while covalent compounds have low melting and boiling points.

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