An electrochemical cell an behave like a...

An electrochemical cell an behave like an electrolytic cell when

`E_(cell)=0`

`E_(cell)gtE_(ext)`

`E_(ext)gtE_(cell)`

`E_(cell)=E_(ext)`

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The correct Answer is:

If an external opposite potential is applied on the galvanic cell, the reaction continues to take place till the opposing voltage reaches the value 1.1 V At this stage no current flow through the cell and if there is any further increase in the external potential then reaction starts fuctioning in opposite direction Hence, this works as an electrolytic cell.

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An electrochemical cell can behave like an electrolytic cell when

`E_("cell")=0`

`E_("cell") gt E_("ext")`

`E_("ext") gt E_("cell")`

`E_("cell")=E_("ext")`

In an electrolytic cell

oxidation takes place at the negative electrode

reduction is spontaneous

reduction takes place at the positive electrode

reduction takes place at the negative electrode

In an electrolytic cell :

anode is positively charged

cathode is negatively charged

oxidation takes place at anode

reduction takes at cathode