Electrolysis II Electrolysis II 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 In the industrial electrolysis of brine (concentrated NaCl solution), what are the primary products obtained at the anode and cathode, respectively? Hydrogen gas at the anode and chlorine gas at the cathode Chlorine gas at the anode and hydrogen gas at the cathode Sodium metal at the anode and chlorine gas at the cathode Sodium hydroxide at the anode and hydrogen gas at the cathode 2 / 10 Given the electrochemical series, which ion is more likely to be discharged at the cathode during the electrolysis of an aqueous solution of sodium sulfate (Na₂SO₄)? Na⁺ SO₄²⁻ H⁺ OH⁻ 3 / 10 Which of the following compounds will dissociate completely in water, forming a strong electrolyte solution? NH₃ CH₃COOH HCl C₆H₁₂O₆ 4 / 10 Which of the following correctly represents the ionization of acetic acid (CH₃COOH) in water? CH₃COOH → CH₃⁺ + COOH⁻ CH₃COOH → CH₄ + CO₂ CH₃COOH + H₂O ⇌ CH₃COO⁻ + H₃O⁺ CH₃COOH → CH₃COO + H₂ 5 / 10 Selective discharge of ions depends on which of the following factor? The relative position of ions in the electrochemical (activity) series. The relative concentration of ions The nature of the electrodes All of the above 6 / 10 The aqueous solution of the compound which contains both ions and molecules is H₂SO₄ HCl HNO3 CH3COOH 7 / 10 In the chlor-alkali industry, which product is obtained by the electrolysis of brine? Sodium Chlorine gas Ammonia Sulfur dioxide 8 / 10 Which of the following is a primary use of electrolysis in the metallurgical industry? Extraction of iron from its ore Purification of copper Production of hydrogen gas Manufacture of sulfuric acid 9 / 10 In the electrolysis of copper(II) sulfate using copper electrodes, what is the main change at the anode? Deposition of copper Formation of oxygen gas Dissolution of copper Evolution of hydrogen gas 10 / 10 In the electrolysis of copper(II) sulfate using inert electrodes, what is the primary observation at the anode? Deposition of copper Evolution of oxygen gas Evolution of chlorine gas Deposition of hydrogen Your score isThe average score is 0% 0% Restart quiz By WordPress Quiz plugin
