Advertisements
Advertisements
Question
Give reasons for the following:
The chemistry of actinoids elements is not so smooth as that of the lanthanoids.
Advertisements
Solution
Lanthanoids primarily show three oxidation states (+2, +3, +4). Among these oxidation states, +3 state is the most common. Lanthanoids display a limited number of oxidation states because the energy difference between 4f, 5d, and 6s orbitals is quite large. On the other hand, the energy difference between 5f, 6d, and 7s orbitals is very less.
Hence, actinoids display a large number of oxidation states. For example, uranium and plutonium display +3, +4, +5, and +6 oxidation states while neptunium displays +3, +4, +5, and +7. The most common oxidation state in the case of actinoids is also +3.
APPEARS IN
RELATED QUESTIONS
Why do actinoids show a wide range of oxidation states?
Write four points of distinction between Lanthanoids and Actinoids.
Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements.
The highest oxidation state in plutonium (At. no. = 94) is ______.
Which of the following properties is NOT of actinoids?
Maximum oxidation state exhibited by Chlorine is ______.
Which of the following oxidation state is common for all lanthanoids?
There are 14 elements in actinoid series. Which of the following elements does not belong to this series?
Which of the following actinoids show oxidation states upto +7?
(i) Am
(ii) Pu
(iii) U
(iv) Np
The incorrect statement among the following is:
