Advertisements
Advertisements
Question
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. no.: Cr = 24, Mn = 25, Fe = 26, Co = 27)
Options
Fe > Mn > Co > Cr
Co > Mn > Fe > Cr
Cr > Mn > Co > Fe
Mn > Fe > Cr > Co
MCQ
Advertisements
Solution
Mn > Fe > Cr > Co
Explanation:
The +2 oxidation state means the atom has lost two electrons. The stability of the +2 state depends on the electronic configuration of the ion formed. The more stable the electron configuration, the more stable the oxidation state.
shaalaa.com
Is there an error in this question or solution?
