Advertisements
Advertisements
Questions
Write the different oxidation states of manganese.
Write all the possible oxidation states of Mn.
Advertisements
Solution
- 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.
RELATED QUESTIONS
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+.
Write down the electronic configuration of Co2+.
Write down the electronic configuration of Lu2+.
Write down the electronic configuration of Mn2+.
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?
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?
The element with electronic configuration [xe]544f145d16S2 belongs to
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.
Assertion (A) : Copper is a non-transition element.
Reason (R) : Copper has completely filled d-orbitals in its ground state.
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:
\[\ce{CO^2+}\]
