Basedl on atywhich one vall e 99 t Solution31 A Zn cannot re

Solution

31)

A) Zn cannot replace Mn as Zn is below Mn in the series .

B) Cu cannot replace Sn as Cu is below Sn in the activity series

c) Pb can replace Ag as Pb is above Ag in the acticity series. This is possible

d) Hg cannot replace Cr as it is below Cr in the activity series.