Transition and InnerTransition Elements - Result Question 109
####7. The lanthanide ion that would show colour is
(2019 Main, 8 April I)
(a)
(b)
(c)
(d)
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Solution:
- The lanthanide ion that would show colour is
. Colour of a compound depends on the number of electrons in -orbitals. Electronic configuration of given lanthanides are as follows:
Only