Doubt from periodic table

@Samarth_2020 bro correct answer is B . I am confused help

Which question are you asking ?

1st block wala bro

Inner transition elements are nothing but f block elements. But the electronic configuration doesn't look like it's f block elements.

It does the differentiating electron enters into f-subshell of (n-2)f-subshell and the general electronic configuration of f-block is matched by the given configuration.


I'm sorry, plz ignore post 2.
According to aufbau principle, the electronic configuration can be written as

(n+l) rule is applied. Clearly is an element of f-block. But why is it the incorrect statement.

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Yeah there must be some fault with question Thanks everyone