It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule.
A. Only (I)
B. Only (III)
C. (II) and (IV)
D. (III) and (IV)
Answer:C
It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule.
A. Only (I) B. Only (III) C. (II) and (IV) D. (III) and (IV)
Explanation: HCl, is a polar covalent compound, easily ionises in water to form hydronium (H3O+) and chloride ions (Cl–). HCl (a strong acid) ionises completely in water to produce H+ and Cl– ions. H+ ion combines with water molecules to produce hydronium ions.