From the list given below,the number of lanthanides which exhibit $+4$ oxidation state in their oxides is: $Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy$
- A$5$
- B$4$
- C$6$
- D$2$
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Similar Questions
Which lanthanoid from the following exhibits $f^{14}$ configuration in the $+3$ oxidation state?
Which of the following statements is incorrect?
Medium
View SolutionWhich of the following factors may be regarded as the main cause of lanthanide contraction?
Which of the following lanthanoids is radioactive?
Determine whether the following statements are True $(T)$ or False $(F)$:
$(a)$ Actinoid contraction is greater than lanthanoid contraction.
$(b)$ Actinoids are elements of the $4f$ series.
$(c)$ All actinoid elements have a $7s^2$ configuration.
$(a)$ Actinoid contraction is greater than lanthanoid contraction.
$(b)$ Actinoids are elements of the $4f$ series.
$(c)$ All actinoid elements have a $7s^2$ configuration.
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