Question

In a Daniel cell when $Cu$ and $Zn$ electrodes are connected current flows from:

• A. $Cu$ to $Zn$ within the cell
• B. $Cu$ to $Zn$ outside the cell
• C. $Zn$ to $Cu$ outside the cell
• D. all of the above

Answer 1

The correct option is C $Zn$ to $Cu$ outside the cell

We know outside the cell, electron flow from anode to cathode in the external current. Chemical energy is converted into electrical energy. The net reaction is the sum of two half-cell reactions.

For daniel cell, $Zn$ is at the anode and $Cu$ at the cathode.

The electron current flows from Zn to Cu.

So, the correct option is ( C )