electrochemical cells: various types of electrodes and their potentials

various types of electrochemical cells and their potentials

In electrochemical cells, cathode is always the electrode where:

An electrochemical cell consists of two electrodes i.e., Anode and Cathode. What is the direction of flow of electrons in this cell ?

questions based on electrochemical cells and their potentials

In an electrochemical cell consisting of zinc eelctrode and normal hydrogen electrode zinc electrode acts as ……………………

(a) What do you mean by Electrolytic cell? (b) An electrochemical cell is made of nickel and copper electrodes with their standard reduction potentials -0.25 V and +0.34 V respectively. Select the anode and cathode. Represent the cell and find e.m.f. of the cell.

A: Anode is positive electrode and cathode is negative electrode in electrolytic cell. R: Anode is negative electrode and cathode is positive electrode in electrochemical cell.