Most Important Selected Qs for JEE AdvancedChemistryd and f Block Elements
Knowing that the Chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, Which of the following statements is incorrect?
Options
- ABecause of the large size of the Ln (III) ions the bonding in its compounds is predominantly ionic in characte
- BThe ionic sizes of Ln (III) decrease in general with increasing atomic number.
- CLn (III) compounds are generally colourless.
- DLn (III) hydroxides are mainly basic in character.
Correct answer
C. Ln (III) compounds are generally colourless.
Step-by-step solution
Ln ³⁺ compounds are mostly coloured.