why do actinoids show more variable oxidation state as compared to lanthanoids?

Asked by vartika | 7th Nov, 2013, 09:52: PM

Expert Answer:

  • Actinides show a variety of oxidation states from +3 to +6.
  • This is due to the very small energy gap between 5f, 6d and 7s sub shells.
  • The principal oxidation states are +3 and +4 and  +3 oxidation state is the most stable.
  • The +4 oxidation state is the most stable in Th and Pu.
  • +5 in Pa and Np and +6 is seen in U.
  • The distributions of oxidation states in actinides are uneven. 

Answered by Vaibhav Chavan | 11th Nov, 2013, 10:52: AM

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