Question 1
Choose the INCORRECT statement.
◦ The work available in a cell = -
zFEcell. ◦ Δ
G° = -
zFE°cell ◦ When
Ecell< 0, the reaction is spontaneous.
◦ When
Ecell = 0, the reaction is at equilibrium.
◦ Reversing a cell reaction changes the sign of
Ecell. Question 2
Choose the INCORRECT statement.
◦ A concentration cell consists of half cells with identical electrodes but different ion concentrations.
◦ Primary batteries' cell reactions cannot be reversed.
◦ Secondary batteries' cell reaction can be reversed.
◦ A primary battery is recharged by passing electricity through the battery.
◦ Cells can be joined in series to increase the total voltage.