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 1.0 M AgNO3? 2H20 + 2 H2 + 20H Ag+ + e Ag 2H20 02 + 4H+ + 4e Ag- Ag+ + Which half-reaction will take place at the anode during the electrolysis of 1.0 M H2O2 solution containing 1.0 M H2SO4? H2O2 + 2H+ + 2e 2H20 02 + 4H+ + 4e - 2H20 2H+ + 2e - H2 H202 0 2 + 2H+ + 2e reaction will take place at the cathode during the electrolysis of molten KF? OK-> K+ + e OK+ + e ->K 2F F2 +2e F2 + 2e - 2F Which half-reaction will take place at the cathode during the electrolysis of 1.0 M AgNO3? Ag Ag+ + e 2H20 02 + 4H+ + 4e 2H20 + 2 H2 + 20H Ag+ + e Ag

Answer 1

IM AgNO3 side solution contains Ag+, NO3 H2O (HT, OH during electrolysts positive ions moves to cathode autode negative ious moves to anode side, At Anade oxidation takes place at cathod - reduction takes place. Anode calhode (vegatiue electrode { positive elochode Two or more different types of lons are present at the electrode , au ion with least discharged potential is discharged first .. At anrode 4oH 2 + 2H20 tue Coro ZH2O 02+uHt tuê at cathode Agt + ē Ag At Anode 1202 o2t24tze At Anode oxidation takes place.

Mottenke Moltenke . At autode cathode reduction takes place, kt têk É present at anode so f F ridation takes place, 1.0M AgNO3 At cathode reduction Agt tē Ag