Sketch the expected Differential Pulse (DP) polarogram for a solution prepared from:

A. 1 mM Fe(II) and 2 mM Ce(IV)

B. 1 mM FeIII and 2 mM CeIII

Given: E'(CeIV/III) = 1.41 V, reversible

E'(FeIII/II) = 0.77 V, reversible