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Question: Answered & Verified by Expert
Compare the oxidation state of actinoids with that of the lanthanoids
Chemistryd and f Block ElementsNEET
Options:
  • A Lanthanoids exhibit a wider range of oxidation states compared to actinoids.
  • B Actinoids and lanthanoids exhibit similar ranges of oxidation states.
  • C Both actinoids and lanthanoids are primarily monovalent in their oxidation states.
  • D Lanthanoids show only +2,+3,+4 oxidation states due to large energy gap between 4f and 5d subshells but actinoids show a large number of oxidation states due to small energy gap between 5f and 6d subshell.
Solution:
2837 Upvotes Verified Answer
The correct answer is: Lanthanoids show only +2,+3,+4 oxidation states due to large energy gap between 4f and 5d subshells but actinoids show a large number of oxidation states due to small energy gap between 5f and 6d subshell.
Correct Option is : (D)
Lanthanoids show only +2,+3,+4 oxidation states due to large energy gap between 4f and 5d subshells but actinoids show a large number of oxidation states due to small energy gap between 5f and 6d subshell.

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