The D And F Block Elements Ques 75
75. The main reason for larger number of oxidation states exhibited by the actinoids than the corresponding lanthanoids, is
[2005, 2006]
(a) more energy difference between $5 f$ and $6 d$ orbitals than between $4 f$ and $5 d$ orbitals.
(b) lesser energy difference between $5 f$ and $6 d$ orbitals than between $4 f$ and $5 d$ orbitals.
(c) larger atomic size of actinoids than the lanthanoids.
(d) greater reactive nature of the actinoids than the lanthanoids.
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Solution:
- (b) Lesser energy difference between $5 f$ and $6 d$ orbitals than between $4 f$ and $5 d$ orbitals result in larger no. of oxidation state.
BETA
