Knowing that the chemistry of lanthanoids (Ln) is dominated by its `+3` oxidation state, which of the following statement is incorrect?A. Ln(III) compounds are generally colourlessB. Ln(III) hydroxides are mainly basic in characterC. Because of the large size of the Ln(III) ions the bonding in its compounds is predominantly ionic in characterD. The ionic sizes of Ln(III) decrease in general with increasing atomic number

Knowing that the chemistry of lanthanoids (Ln) is dominated by its `+3

1.	Knowing that the chemistry of lanthanoids (Ln) is dominated by its `+3` oxidation state, which of the following statement is incorrect?A. Ln(III) compounds are generally colourlessB. Ln(III) hydroxides are mainly basic in characterC. Because of the large size of the Ln(III) ions the bonding in its compounds is predominantly ionic in characterD. The ionic sizes of Ln(III) decrease in general with increasing atomic number
Answer» Correct Answer - A Ln (III) compounds are generally coloured.

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