Which of the following reactions is possible at the anode?

$A$ hypothetical galvanic cell is $A_{(s)} | A^{+}_{(1 \ M)} || B^{+2}_{(1 \ M)} | B_{(s)}$ and the $EMF$ of the cell is positive. What is the possible cell reaction?

Consider the figure and answer the following questions.
$(i)$ Cell $'A'$ has $E_{cell} = 2 \ V$ and cell $'B'$ has $E_{cell} = 1.1 \ V$. Which of the two cells,$'A'$ or $'B'$,will act as an electrolytic cell? Which electrode reactions will occur in this cell?
$(ii)$ If cell $'A'$ has $E_{cell} = 0.5 \ V$ and cell $'B'$ has $E_{cell} = 1.1 \ V$,then what will be the reaction at the anode and cathode?

Whose oxidation and reduction is carried out in a hydrogen-oxygen fuel cell?

Which of the following statements is incorrect?

Which among the following statements is true for a Galvanic cell?