JEE Advanced Model Paper 14 with solutions for online practice

For the cell representation Ag (s) | AgBr (s) | KBr (aq) C1 || KCl (s) | Ag (s) ; which of the following facts are true?
P : It is an example of concentration cell, if the concentration of metal ion used in both the half cells is identical
Q: This cell can also be represented as Ag | Ag(

(Ksp)AgBr

Br−

)+ || Ag(

(Ksp)AgCl

Cl−

)+ | Ag
R: It is an example of electrolytic concentration cell
S: The cell reaction would be spontaneous if (Ksp)AgBr × [Cl−] < (Ksp)AgCr × [Br−]