Knowing that the chemistry of lanthanoids $(Ln)$ is dominated by its $+3$ oxidation state,which of the following statements is incorrect?
- AThe ionic size of $Ln(III)$ ions decreases in general with increasing atomic number.
- B$Ln(III)$ compounds are generally colourless.
- C$Ln(III)$ hydroxides are mainly basic in character.
- DBecause of the large size of the $Ln(III)$ ions,the bonding in its compounds is predominantly ionic in character.
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Similar Questions
Which one amongst the following are good oxidizing agents?
$A.$ $Sm^{2+}$
$B.$ $Ce^{2+}$
$C.$ $Ce^{4+}$
$D.$ $Tb^{4+}$
Choose the most appropriate answer from the options given below:
$A.$ $Sm^{2+}$
$B.$ $Ce^{2+}$
$C.$ $Ce^{4+}$
$D.$ $Tb^{4+}$
Choose the most appropriate answer from the options given below:
Which element from the following has a half-filled $f$ orbital in the $+3$ oxidation state?
Which pair of ions among the following can be separated by the precipitation method?
MediumWBJEE 2025
View SolutionWhich lanthanoid from the following has the highest first ionisation enthalpy $(IE_1)$?
Which of the following compounds is used in gas lighters?
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