find out the most stable oxidised species.

Question:

find out the most stable oxidised species.

EᶱCr2O72-/Cr3+ = 1.33V

EᶱMnO4/Mn2+ = 1.51V

EᶱCl2/Cl = 1.36V

EᶱCr3+/Cr = -0.74V

 

(i) Cr3+

(ii) MnO4–

(iii) Cr2O72–

(iv) Mn2+

Solution:

Option (i) is the answer.

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