For the four successive transition elements (Cr, Mn, Fe and Co), the s – McqOptions

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1.	For the four successive transition 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)
A.	Cr u003e Mn u003e Co u003e Fe
B.	Fe u003e Mn u003e Co u003e Cr
C.	Mn u003e Fe u003e Cr u003e Co
D.	Co u003e Mn u003e Fe u003e Cr
Answer» D. Co u003e Mn u003e Fe u003e Cr

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