Class 12 Chemistry d-and f-Block Elements Lanthanoids and Actinoids

Medium

Which one of the following statements related to lanthanons is incorrect?

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A
Europium shows $+2$ oxidation state.
B
The basicity decreases as the ionic radius decreases from $Pr$ to $Lu$.
C
All the lanthanons are much more reactive than aluminium.
D
$Ce(+4)$ solutions are widely used as oxidizing agent in volumetric analysis.

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

Lanthanoids and Actinoids

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NEET 2016 Paper All NEET years →

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Identify the isoelectronic pair of ions from the following.

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Determine the correct $(T)$ and incorrect $(F)$ statements from the following:
$(a)$ Mischmetal contains lanthanoids and iron.
$(b)$ The symbol for Cerium is $Cs$.
$(c)$ The symbol for Cerium is $Ce$.

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Provide the primary differences (comparison) between Lanthanoids and Actinoids.

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The most common lanthanide is

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