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प्रश्न
Write the different oxidation states of manganese.
Write all the possible oxidation states of Mn.
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उत्तर
- 25Mn has the electronic configuration 1s2 2s2 2p6 3s2 3p6 3d5 4s2 or [Ar]3d5 4s2.
- It shows different oxidation states as +2, +3, +4, +5, +6, and +7.
संबंधित प्रश्न
Silver atom has completely filled d orbitals (4d10) in its ground state. How can you say that it is a transition element?
Explain giving reason:
Transition metals and many of their compounds show paramagnetic behaviour.
Write down the electronic configuration of Cr3+.
Write down the electronic configuration of Pm3+.
Write down the electronic configuration of Cu+.
Write down the electronic configuration of Ce4+.
Write down the electronic configuration of Co2+.
Write down the electronic configuration of Th4+.
What is effective atomic number of Fe (z = 26) in [Fe(CN)6]4-?
(a) 12
(b) 30
(c) 26
(d) 36
Which transition metal of 3d series has positive E° (M2+/M) value and why?
Which among the following elements does not belong to the first transition series?
Which among the following is not considered as a part of transition elements?
Electronic configuration of Cu3+ is ____________.
The electronic configuration of \[\ce{Cu(II)}\] is 3d9 whereas that of \[\ce{Cu(I)}\] is 3d10. Which of the following is correct?
Which of the following compounds is expected to be colored?
Zn2+ ion is iso – electronic with
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.
Name the element of 3d series which exhibits the largest number of oxidation states. Give reason.
Give reason for the following statements:
Scandium (Z = 21) is a transition element but Zn (Z = 30) is not.
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 |
Write down the electronic configuration of:
\[\ce{CO^2+}\]
