In a cell, the following reactions take place

Fe²⁺ ® Fe³⁺                           $E_{F{e}^{3+}/F{e}^{2+}}^0=0.77V$  

2I^- ® I₂ + 2e^-                       $E_{I_2/I^{-}}^0=0.54V$  

The standard electrode potential for the spontaneous reaction in the cell is x * 10^-2 V 298 K. The value of x is________(Nearest Integer)

At 25°C the standard emf of cell having reactions involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :

Kindly consider the following 

Which of the following will not give ether as product :-

Which is most reactive towards electrophilic aromatic substitution reaction :-

Which one of the following ions is the most stable in aqueous solution ?

(At. No. Ti = 22, V = 23, Cr = 24, Mn=25)