Using the data given below to find out

Using the data given below to find out the strongest reducing agent.

EᶱCr2O72-/Cr3+ = 1.33V

EᶱMnO4–/Mn2+ = 1.51V

EᶱCl2/Cl– = 1.36V

EᶱCr3+/Cr = -0.74V

(i) Cl–

(ii) Cr

(iii) Cr3+

(iv) Mn