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4. d and f- block elements — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Lanthanides and actinides resemble in
  • A
    Electronic configuration
  • ✓
    Oxidation state
  • C
    Ionization energy
  • D
    Formation of complexes
✓

Answer

Correct option: B.
Oxidation state
b
(b)The oxidation state in both (lanthanide and actinide) is $ +3$. The property of actinide are very similar to those of lanthanide when both are in $+3$  state.

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