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KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which of the following statement is wrong regarding lanthanoids?
A
$\operatorname{Ln}$ (III) compounds are predominantly ionic in character.
B
$\operatorname{Ln}$ (III) compounds are generally colourless.
C
$\operatorname{Ln}$ (III) hydroxides are mainly basic in nature.
D
The inoic size of $\operatorname{Ln}(I I I)$ ions decreases with increasing atomic number.
KCET Subjects
EXAM MAP