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AIPMT 2011 Physics and Chemistry Solved Paper

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Question : 9

Total: 100

For the four successive translon elements (Cr,Mn, Fe and Co), the stability of +2 oxidation state will be there in which of the following order? (At. nos. Cr=24,Mn=25,Fe=26,Co=27 )

Mn>Fe>Cr>Co
Fe>Mn>Co>Cr
Co>Mn>Fe>Cr
Cr>Mn>Co>Fe

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