Question

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Reactions at Electrodes during Electrolysis Answer the following questions by selecting the appropriate half-reaction. Assume that in each case the experiment is performed in an electrolysis cell having electrodes made of non-reacting material. Which half-reaction will take place at the anode during the electrolysis of molten MgCl2? 20" - Cl2 + 2e Cl2 + 2e - 2014 Mg2+ + 2e Mg Mg - Mg2+ + 2e Which half-reaction will take place at the anode during the electrolysis of 0.10M aqueous KF solution? 2H20 + 2 H2 + 20H 02 + 4H+ + 4e + 2H20 2H20 02 + 4H+ + 4e OK+ + e-K Which half-reaction will take place at the cathode during the electrolysis of molten KF? OK +K+ + e OK+ + eK OF2 + 2e - 2F 2F F2 + 2e Which half-reaction will take place at the cathode during the electrolysis of 0.10M aqueous KF solution? 2H20 - 02 + 4H+ + 4e* H2 + 20H 2 H20 + 2e OK+ + GK 2H20 + 2e - H2 + 2OH-

Answer 1

1 geral, Cathode anode To Here, anode - reaction reduction oxidation is za tve -ve. c htré oxidation. as. KF anode oxidation. 2 Ho tunt thé و چه در 2 oxidation & moltey KF cathode reduction ktték te rednetion. 9 Cathode reduction - I - tré - 4T + oH' H+1 → Hj th rednetian PAGE