The dand fblock elements - Result Question 81
####81. Which of the following statement is not correct?
[2001]
(a)
(b) La is actually an element of transition series rather lanthanides
(c) Atomic radius of
(d) In lanthanide series ionic radius of
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Solution:
- (a)
is more basic than . In lanthanides, the basic character of hydroxides decreases as the ionic radius decreases.