Answer is: 4) CH</span>₃COOH, acetic acid. In water, acetic acid dissociates on ions, so it can conduct electricity: CH₃COOH(aq) ⇄ CH₃COO⁻(aq) + H⁺(aq). When we put
electrodes (cathode and anode) in acetic acid solution, positive and negative
ions migrate to electrodes.<span>
Negative acetate ions go to positive electrode
and gives electrons to electrode. <span>Positive hydrogen ions go to negative electrode
and gain electrons.</span></span>
