Electrolysis I Electrolysis I Electrolytes and non-electrolytes. Strong and weak electrolytes. Electrolytic cell, electrolysis. Ionization and dissociation. Electrochemical series, selective discharge of ions. Examples of electrolysis Application of electrolysis 1 / 10 During the electrolysis of molten lead(II) bromide (PbBr₂), which compounds are reduced? Pb²⁺ ions Br⁻ ions Pb atoms Br₂ molecules 2 / 10 In an electrolytic cell, the reduction reaction occurs at the Anode Cathode Salt bridge Electrolyte 3 / 10 Which of the following statements is true for a strong electrolyte? It conducts electricity poorly in solution. It has a low degree of ionization in water. It completely dissociates into ions in water. It forms a precipitate in water. 4 / 10 Which of the following best explains why acetic acid (CH₃COOH) is a weak electrolyte? It has a low melting point. It dissociates completely in water. It has strong covalent bonds. It ionizes partially in water. 5 / 10 Which of the following solutions is a non-electrolyte? Aqueous HCl Aqueous NaOH Aqueous C₂H₅OH (ethanol) Aqueous NaCl 6 / 10 During the electrolysis of acidified water, which half-reaction occurs at the cathode? 2H₂O → O₂ + 4H⁺ + 4e⁻ 4OH⁻ → O₂ + 2H₂O + 4e⁻ 2H⁺ + 2e⁻ → H₂ O₂ + 4H⁺ + 4e⁻ → 2H₂O 7 / 10 During the electrolysis of aqueous sodium chloride, which ion is selectively discharged at the anode? Na⁺ Cl⁻ OH⁻ H⁺ 8 / 10 In the electrochemical series, which ion is more easily reduced, Cu²⁺ or H⁺? Cu²⁺ H⁺ Both are reduced equally Neither can be reduced 9 / 10 Dissociation of ionic compounds in water is generally associated with Formation of new covalent bonds Breaking of ionic bonds Gain of electrons Loss of electrons 10 / 10 Which of the following compounds will not ionize in water? H₂SO₄ NaOH C₆H₆ (benzene) NH₃ Your score isThe average score is 0% 0% Restart quiz By WordPress Quiz plugin
