Q.11 Hierarchy of cells to obtain maximum potential The proper representation of the combination is - HHHHHHH (i) HHHHHHHHE (iv)

The proper representation of series combination of cells obtaining maximum potential is

The proper representation of series combination of cells obtaining maximum potential is

The proper representation of series combination of cells obtaining maximum potential is

Explain the various types of gruoping of identical cells and find the condition for the maximum current in the external resistors connected to the combination of cells (i) in series (ii) in parallel and (iii) in mixed grouping.

The proper representation of series combination of cells, (Fig. 3.40) for obtaining maximum potential is : .

The following chemical reaction occurring in an electrochemical cell : Mg(s)+2Ag^(+)(0.0001 M) to Mg^(2+)(0.10 M)+2Ag(s) Given E_(Mg^(2+)//Mg)^(@)=-2.36" V", E_(Ag^(+)//Ag)^(@)=+0.81" V" For the cell, calculate/write : (i) E^(@) value for the electrode 2Ag^(+)//2Ag (ii) Standard cell potential (E^(@)) (iii) Cell potential (E) (iv) Give the symbolic representation of the above cell (v) Will the above cell reaction be spontaneous ?

The following graph shows the variation of terminal potential difference V, across a combination of three cells in series to a resistor versus the current I : (i) Calculate the emf of each cell. (ii) For what current I, will the power dissipation of the circuit be maximum ?