NEETChemistryD and F Block ElementsMCQ+4 / −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)
(At. nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)
- AMn > Fe > Cr > Co
- BFe > Mn > Co > Cr
- CCo > Mn > Fe > Cr
- DCr > Mn > Co > Fe
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