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The reason for greater range of oxidation states in actinoids is attributed to
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By Expert Faculty of Sri Chaitanya
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
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Correct option is B
Minimum energy gap between 5f, 6d and 7s subshell. That's why e- excitation will be easier.
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