Write the anodic reaction taking place at `H_(2)-O_(2)` fuel cell.

Mention one advantage of H_(2) - O_(2) fuel cell.

Write the anodic and cathodic reactions taking place in Hall-Heroult electrolytic cell in the extraction of aluminium.

Write the overall cell reaction taking place in Daniel Cell

Write anodic and cathodic half-cell reactions taking place in Daniel cell.

Write the equations for the reactions taking place at anode and Cathode in the lead storage battery.

State the advantages of H_(2)-O_(2) fuel cell over ordinary cell.

The following reaction : occurs in the dry cell, called flash light battery, which is used to power radios, clocks, and flashlights : 2MnO_(2)(s)+8overset(o+)(N)H_(4)+Zn(s) rarr 2Mn^(3+)+8NH_(3)+Zn^(2+)+4H_(2)O a. Write the anode and cathode reactions. b. Calculate E^(c-)._(cell) of the dry cell if the electrode potential of cathode (E^(c-)._(reduction )) varies between 0.49V and 0.74V and that of anode E^(c-)._(reduction) is -0.76V .