Question

The picture of an electrochemical cell is given.
(a) Identify the anode and cathode of this cell.
(b) Write the chemical reactions taking place in both the electrodes.
(c) Write the redox reaction taking place in the cell.

Answer 1

(a) Anode at which oxidation occurs and cathode at which reduction occurs.
Anode: $Zn$
Cathode: $Cu$
(b) Anodic reaction: $Zn\to {Zn}^{2+}+2e^{-}$
Cathodic reaction: ${Cu}^{2+}+2e^{-}\to Cu$
(c) The redox reaction taking place in the cell as follows:
$Zn+{cu}^{2+}\to {Zn}^{2+}+Cu$