Shown below is an electrochemical cell with anode a and cathode c.Both the anode and the cathode are inert electrodes.The liquid shown in compartment b of the cell is molten potassium chloride,KCl(l).
-Determine the direction of electron flow and the direction of ion flow.

Question

Shown below is an electrochemical cell with anode a and cathode c.Both the anode and the cathode are inert electrodes.The liquid shown in compartment b of the cell is molten potassium chloride,KCl(l). 
-Determine the direction of electron flow and the direction of ion flow.

Quizplus · Accepted Answer

In a molten salt electrolyte like KCl(l), the positively charged potassium ions (K+) are attracted to the negatively charged cathode and are reduced (gain electrons) to form potassium metal. The negatively charged chloride ions (Cl-) are attracted to the positively charged anode and are oxidized (lose electrons) to form chlorine gas. Therefore, electrons flow from the anode (a) to the cathode (c) and chloride ions move towards the anode (a) while potassium ions move towards the cathode (c). Hence, option B is the correct choice.

Shown Below Is an Electrochemical Cell with Anode a and Cathode