please type it , and keep the answer short , When a conductor e.g. metal or carb

Question

please type it , and keep the answer short

, When a conductor e.g. metal or carbon is immersed in a electrolyte, electric double layer will be formed at the interface of the solid electrode and electrolyte. The equilibrium potential is related to the double-layer formed at the interface. Under the certain circumstance, the double-layer on the interface can disappear, the potential at which no double-layer is called “point of zero charge”. Please explain how it happens. (hint: the double layer is formed due to the difference of free energy between the electrode material and electrolyte. How to stop electron flow?)

Explanation / Answer

According to the question;

As we know that;

When there is difference between free energy between the electrode material and electrolyte,

Then double layer is formed.

So,

When the difference reduces till it becomes zero,

Then,

The double layer on the interface can disappear.

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