Match the following Columns :
`{:(,"Column - I",,"Column - II"),((m),Zn_((s))to Zn_((aq))^(+2)+2e^(-),(i),"Lead storage cell"),((n),Zn(Hg)+2OH_((aq))^(-)to ZnO_((s))+H_(2)O+2e^(-),(ii),"Leclanche cell"),((o),Pb_((s))+SO_(4(aq))^(-2)to PbSO_(4)+2e^(-),(iii),"Mercury cell"),((p),2H_(2(aq))+4OH_((aq))^(-)to 4H_(2)O+4e^(-),(iv),"Fuel cell of " H_(2)),(,,(v),"Ni - Cd cell"):}`

Options

A. `m to (v), n to (iii), o to (i), p to (ii)`
B. `m to (ii), n to (iii), o to (i), p to (iv)`
C. `m to (ii), n to (iii), o to (v), p to (i)`
D. `m to (iv), n to (ii), o to (iii), p to (iv)`

Answer

B