Voltaic cell can be converted into a reverse electrolytic cell by:

Correct answer: C. Providing an external source of electricity

  • A. Changing positions of electrodes
  • B. Replacing salt bridge with a wire
  • C. Providing an external source of electricity
  • D. All of these

Explanation

To convert a voltaic cell into an electrolytic cell, an external source of electricity is required. This provides the energy needed to drive the non-spontaneous reaction in the reverse direction. Simply changing positions of electrodes or removing the salt bridge will not achieve this conversion. The external power source is crucial as it drives the reaction against its natural tendency.

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