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Assertion A: $E^{0}$ value for $M n^{+ 3} / M n^{+ 2}$ couple is much more positive than that for $F e^{+ 3} / F e^{+ 2}$
Reason R: $I E_{3}$ of Mn is very high due to greater stability of $M n^{+ 2}$ ion

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A is true but R is false

Both A and R are true and R is not the correct explanation of A

Both A and R are false

Both A and R are true and R is the correct explanation of A

answer is A.

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Detailed Solution

Mn⁺² is having extra stability due to half filled configuration thus SRP of Mn⁺³ /Mn⁺² is higher than SRP value of Fe⁺³/Fe⁺²

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