d - block and f - block Elements
Differentiating electron in inner transition elements enter the ________ orbital.
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Single Choice
Across the lanthanoid series, the basicity of the lanthanoid hydroxides :
AIncreases
BDecreases in mass
Correct Answer
CFirst increases and then decreases
DFirst decreases and than increases
Solution
Option-B
On moving from left to right in the lanthanoid series, size of the elements decreases thereby increasing the polarising power of the cation and hence the basicity of lanthanoid hydroxides decreases.
SIMILAR QUESTIONS
d - block and f - block Elements
The trivalent ion having largest size in Lanthanide series is:
d - block and f - block Elements
The elements in which electrons are progressively filled in $$4f$$ orbital are called:
d - block and f - block Elements
Lanthanoids are
d - block and f - block Elements
Lanthanoids are
d - block and f - block Elements
Lanthanide contraction explains:
d - block and f - block Elements
Which of the following is the wrong statement?
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