The statement which explains the solubility of ionic substances in water is Water molecules are polar.
Ionic compounds contain ions and are held together by the attractive forces among the oppositely charged ions.
Most ionic compounds are soluble in water. Polar water molecules have a strong attraction for charged ions and the charged ions become solvated as they dissociate into the water and ionic compounds are soluble in water.
Break apart of ionic compounds into the ions that make them up through a process called dissociation. All ionic substances are dissociated in water but dissociation may vary.
Water is a polar covalent and all polar covalent substances dissolve in the water because polar water molecules form hydrogen bonds with ions which allow compounds to disperse in water.
Hence, option D is correct.
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