Write the anodic and cathodic reactions when SHE is used as a reference electrode.

Write the anode and cathode reactions occur'in the operation of lead storage battery. Mention the electrolyte used In the battery.

Pt foil is used hydrogen electrode. Why?

Dry cell is a compact version of Leclanche cell and provides voltage between 1.25V and 1.5V. Explain the anodic and cathodic reactions taking place in a dry cell.

Alumina is mixed with cryolite and subjected to electrolysis to extract aluminium. Write the equation of the reduction reaction taking place at negative electrode.

Scientists suggest the use of fuel cells as an alternative to conventional fossil fuels.Give the anodic and cathodic reactions of H_2-O_2 fuel cell.

Which substances are used as the anode, cathode and electrolyte when copper is refined by electrolysis.

Identify the anode and cathode In a dry cell.

Write the equations for the reactions taking place at the anode and the cathode during the extraction of aluminium by the electrolytic process.

a) Write the equation of the chemical reaction taking place at anode and cathode electrolytic refining of aluminium. b) Carbon monoxide cannot be used as reducing agent to extract aluminium from alumina. Why? c) Anode replaced from time to time while producing aluminium. Why?