Question

Also state reasons to explain why covalent compounds:

(i) are bad conductors of electricity?
(ii) have low melting and boiling points?​

Answer 1

Answer:

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Explanation:

(i) Covalent compounds are bad conductors of electricity because they are formed by sharing of electrons. So they don't have any free electron that is required for carrying electricity. Thus they are bad conductors of electricity.

(ii) CovaLent compounds are formed by the sharing of electrons, hence the intermolecular forces are relatively weaker than the electrostatic forces existing between the ionic compounds that are formed by the transferring of electrons. Due to the weak intermolecular forces, less energy is needed to break the covalent bonds hence they have low melting and boiling points

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Answer 2

HERE IS YOUR ANSWER:

(i) Conductors conduct electrical current very easily because of their free electrons. Insulators oppose electrical current and make poor conductors. Some common conductors are copper, aluminum, gold, and silver. Some common insulators are glass, air, plastic, rubber, and wood.

(ii) Covalent compounds have weak forces of attraction between the binding molecules.Thus less energy is required to break the force of bonding.Therefore covalent compounds have low melting and boiling point.