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Chemistry
Which statement is incorrect with reference to inner transition elements?
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Q. Which statement is incorrect with reference to inner transition elements?
NTA Abhyas
NTA Abhyas 2020
The d-and f-Block Elements
A
The oxides of lanthanoids are basic
4%
B
Pm is radioactive element among actinoids
85%
C
The values of ionization enthalpy of actinoids are less than the values of ionization enthalpy of lanthanoids
4%
D
Only in the electronic configuration of lanthanoids like Ce,Gd, Lu the electrons are filled in 5d orbitals
7%
Solution:
Pm is not actinoids, its a lanthanide