Which of the following statements related to lanthanoids is incorrect?
- ALanthanoids are silvery white soft metals.
- B$Samarium$ $(Sm)$ shows $+2$ oxidation state.
- C$Ce^{+4}$ solutions are widely used as oxidising agents in titrimetric analysis.
- DColour of lanthanoid ion in solution is due to $d-d$ transition.
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Similar Questions
Which of the following trivalent ions has the largest atomic radius in the lanthanide series?
Easy
View SolutionThe total number of rare-earth elements is
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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 :
Which of the following compounds is the most acidic?
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View SolutionWhich of the following elements belongs to the first inner transition series?
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