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Question

In electrolysis experiment, after some times, the battery connection is reversed. Then
  1. The electrolysis will stop
  2. the rate of liberation of material at electrodes will increase
  3. rate of liberation will remain unchanged
  4. more heat will be produced at the electrodes
  5. the rate of liberation will decrease

A
The electrolysis will stop
B
the rate of liberation of material at electrodes will increase
C
more heat will be produced at the electrodes
D
the rate of liberation will decrease
E
rate of liberation will remain unchanged
Solution
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Due to the reverse connection of the battery, only the polarities of the electrode change but the electrolysis process continues to take place and the rate of liberation of materials at the electrode will not change.

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