Four successive members of the first row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest E0M3+/M2+ value?
A
Mn(Z=25)
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B
Fe(Z=26)
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C
Co(Z=27)
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D
Cr(Z=24)
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Solution
The correct option is CCo(Z=27) SRP value normally increases from left to right in the period of d-block elements. Some SRP value are exceptionally higher due to the stability of product ion.