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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
Silver atom has completely filled d orbitals (4d10) in its ground state. How can you say that it is a transition element?
Write down the electronic configuration of Pm3+.
Write down the electronic configuration of Cu+.
Write down the electronic configuration of Ce4+.
What is effective atomic number of Fe (z = 26) in [Fe(CN)6]4-?
(a) 12
(b) 30
(c) 26
(d) 36
Which among the following is not considered as a part of transition elements?
Electronic configuration of manganese (Z = 25) is ______
Explain the observation, at the end of each period, there is a slight increase in the atomic radius of d-block elements.
Give reason for the following statements:
Scandium (Z = 21) is a transition element but Zn (Z = 30) is not.
Assertion (A) : Copper is a non-transition element.
Reason (R) : Copper has completely filled d-orbitals in its ground state.
