NEET2017Chemistry-f-block elements
NEET 2017 Chemistry Actinoids MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The reason for greater range of oxidation states in actinoids is attributed to ________.
A
actinoid contraction
B
5f, 6d and 7s levels having comparable energies
C
4f and 5d levels being close in energies
D
the radioactive nature of actinoids
Correct Answer
Option B
Detailed Explanation
The 5f, 6d, and 7s orbitals in actinoids have comparable energies, allowing for a greater range of oxidation states.
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