1) What happens at the anode in galvanic cell at equilibrium? a) Oxidation b) Both oxidation and reduction c) No reaction occurs d) Reduction 2) In an electrolytic cell at equilibrium, what is the state of the external voltage applied? a) The voltage is zero b) The voltage is positive c) The voltage is balanced by opposing potential d) The voltage is negative 3) In a galvanic cell, what does the cell potential (E cell) become at equilibrium? a) It remains constant b) It becomes zero c) It becomes negative d) It becomes positive 4) What is the role of the Nerst equation in electrochemical equilibrium? a) It determine the equilibrium constant b) It calculates the standard potential c) It qualifies the cell potential under non-standard conditions d) It balances the half-reactions 5) What occurs at the cathode in galvanic cell at equilibrium? a) Oxidation b) Reduction c) Both oxidation and reduction d) No reaction occurs 6) In an electrolytic cell at equilibrium, what is the state of the flow of electrons in the external circuit? a) Electrons flow from cathode to anode b) Electrons flow from anode to cathode c) No net flow of electrons d) Electrons flow in a loop within the cell 7) What is the primary condition for electrochemical equilibrium in a galvanic cell? a) The concentrations of reactants are equal b) Equal rates of oxidation and reduction reactions c) The cell potential is at its maximum d) No electron are exchanged 8) In an electrolytic cell, what happens at the cathode during the electrolysis process at equilibrium? a) Oxidation b) Reduction c) Both oxidation and reduction d) No reaction occurs 9) What is the primary role of balancing oxidation and reduction reactions in electrochemical equilibrium? a) To minimize the cell potential b) To maximize the cell potential c) To create a net flow of electrons d) To maintain a constant cell potential

Electrochemistry

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