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प्रश्न
Name the element of 3d series which exhibits the largest number of oxidation states. Give reason.
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उत्तर
The element that shows the largest number of oxidation states in the 3d series is Manganese (Mn). It shows the following oxidation states +2, +3, +4, +5, +6, and +7. It is because it contains the maximum no. of unpaired e–s in the outermost shell, i.e., 3d94s2.
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संबंधित प्रश्न
Write down the electronic configuration of Pm3+.
Write down the electronic configuration of Lu2+.
Write down the electronic configuration of Th4+.
Account for the following:
Mn2+ is more stable than Fe2+ towards oxidation to +3 state.
Name the elements of 3d transition series that show maximum number of oxidation states. Why does this happen?
Which among the following elements does not belong to the first transition series?
Electronic configuration of Cu3+ is ____________.
Electronic configuration of manganese (Z = 25) is ______
Define transition metals.
Match the properties with the elements of 3d series:
| (i) | lowest enthalpy of atomisation | (p) | Sc |
| (ii) | shows maximum number of oxidation states | (q) | Mn |
| (iii) | transition metal that does not form coloured compounds |
(r) | Zn |
| (s) | Ti |
