Q.

What is the common outer most electronic configuration of Lanthanoids?

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a

4fn5d0−16s1−2

b

(n−2)f5d1−106s1−2

c

4fn5d0−16s2

d

4f1−145d0−17s2

answer is D.

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Detailed Solution

For lanthanoids the general electronic configuration is 4f1-145d0-16s2
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