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Question
Chemistry
The electrochemical cell stops working after sometime because :
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Q. The electrochemical cell stops working after sometime because :
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A
electrode potential of both the electrodes becomes zero
B
electrode potential of both the electrodes becomes equal
C
one of the electrodes is eaten away
D
the cell reaction gets reversed
Solution:
When one compound of in the anode of an electrochemical cell is oxidized, those electrons serve to reduce the compound at the cathode side. When the material at anode no longer has electrons to lose, the reaction stops and cell stops working.