{:("Element",Cr,Mn,Fe),(E^(underset(-)(o))(M^(2+)//M),-0.90V,-1.18V,-0.4V),(E^(underset(-)(o))(M^(3+)//M^(2+)),-0.41V,+1.57V,+0.8V):} ltbr. Use this data to comment upon (i) the stability of Fe^(3+) and Mn^(2+) in acid solutions, (ii) The ease with which iron can be oxidised as compared to the similar process for either Cr or Mn metals.

{:("Element",Cr,Mn,Fe),(E^(underset(-)(o))(M^(2+)//M),-0.90V,-1.18V,-0

1.	{:("Element",Cr,Mn,Fe),(E^(underset(-)(o))(M^(2+)//M),-0.90V,-1.18V,-0.4V),(E^(underset(-)(o))(M^(3+)//M^(2+)),-0.41V,+1.57V,+0.8V):} ltbr. Use this data to comment upon (i) the stability of Fe^(3+) and Mn^(2+) in acid solutions, (ii) The ease with which iron can be oxidised as compared to the similar process for either Cr or Mn metals.
Answer» SOLUTION :(i) `MN^(2+)` is more STABLE than `FE^(3+)` (ii) The ORDER of getitng oxidised is `Mn gt Cr gt Fe`.