question_answer

What are covalent compounds? Why are they different from ionic compounds? List their three characteristic properties.

Answer:

Covalent compounds are formed by sharing of electrons. They are different from ionic compounds as ionic compounds are formed by transfer of electrons. Characteristics of covalent compounds:

(i) They generally have low melting and boiling points.

(ii) They are generally insoluble or sparingly soluble in water but soluble in organic solvents.

(iii) They do not conduct electricity.