Which one of the following elements shows the maximum number of different oxidation states in its compounds?
- A$Eu$
- B$La$
- C$Gd$
- D$Am$
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Similar Questions
The most common oxidation state of Lanthanoid elements is $+3$. Which of the following is likely to deviate easily from $+3$ oxidation state?
Lanthanides and actinides resemble in
Easy
View SolutionWhat is the number of unpaired electrons present in $f$-orbital at $+3$ oxidation state of $Lu (Z=71)$?
State the consequences of lanthanoid contraction. Explain the formation of coloured ions by lanthanoids.
Difficult
View SolutionLanthanoid ions with $4f^7$ configuration are :
$A$. $Eu^{2+}$
$B$. $Gd^{3+}$
$C$. $Eu^{3+}$
$D$. $Tb^{3+}$
$E$. $Sm^{2+}$
Choose the correct answer from the options given below :
$A$. $Eu^{2+}$
$B$. $Gd^{3+}$
$C$. $Eu^{3+}$
$D$. $Tb^{3+}$
$E$. $Sm^{2+}$
Choose the correct answer from the options given below :
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