15. Which among the following is a covalent compound ? A.Calcium chloride B.Magnesium fluoride C.Sodium chloride D.Carbon tetrachloride
Answer: Option D Solution: Ionic compounds are made up of a metal and nonmetal, and covalent compounds are made up of two nonmetals. In the carbon tetrachloride molecule, four chlorine atoms are positioned symmetrically as corners in a tetrahedral configuration joined to a central carbon atom by single covalent bonds.
