Respuesta :
The pressure that pushes electrons to the cathode is derived from the negative charge of electrons at the anode. Hence, option B is correct.
What is an electrolytic cell?
An electrolytic cell is a type of electrochemical cell that undergoes non-spontaneous reactions by deriving the energy in the form of voltage from external sources.
A voltaic cell is a cell in which chemical reactions are used to produce electrical energy in form of current.
Such a cell is made up of two electrodes and their electrolytes. The electrodes are connected via a salt bridge. The salt bridge allows electrons to move between the electrodes.
In a voltaic cell, an oxidation reaction occurs in the anode. During oxidation, electrons are produced. Therefore, the Na electrode in the anode will lose an electron spontaneously. At the cathode, reduction occurs. The Iron electrode here will gain the electron produced by the oxidation reaction at the anode. The salt bridge moves the electrons from the anode to the cathode.
Hence, the pressure that pushes electrons to the cathode is derived from the negative charge of electrons at the anode.
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