BITSAT 2016 Paper

Section: Chemistry

Question : 43 of 150

Marks: +1, -0

Knowing that the chemistry of lanthanoids(Ln) is dominated by its + 3 oxidation state, which of the following statements is incorrect?

The ionic size of Ln (III) decrease in general with increasing atomic number
Ln (III) compounds are generally colourless.
Ln (III) hydroxide are mainly basic in character.
Because of the large size of the Ln (III) ions the bonding in its compounds is predominantly ionic in character.

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