Which of the following statements is wrong regarding lanthanoids?

  • A
    $Ln(III)$ compounds are generally colourless.
  • B
    $Ln(III)$ compounds are predominantly ionic in character.
  • C
    The ionic size of $Ln(III)$ ions decreases with increasing atomic number.
  • D
    $Ln(III)$ hydroxides are mainly basic in nature.

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Similar Questions

Identify the correct actinide series from the following.

Which among the following lanthanoids shows only $+3$ oxidation state?

Which of the following forms a stable $+4$ oxidation state?

Which statement is incorrect among the following?

Name the members of the lanthanoid series which exhibit $+4$ oxidation state and those which exhibit $+2$ oxidation state. Try to correlate this type of behavior with the electronic configurations of these elements.

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