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Q.

 In Lanthanide series, the element well known to exhibit +4 oxidation state is
 

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a

 Lu 

b

 Ce

c

Nd

d

 Pm

answer is B.

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Detailed Solution

Given data:
It is given to identify the element well known to exhibit +4 oxidation state in Lanthanide series.
 Explanation:

Cerium displays a +4 oxidation state as a result of having the most stable electronic configuration, "4f(0)" in the form of "Ce(4+). Experts' step-by-step guidance will help you clear up any doubts and get exceptional test results.

Cerium (Ce) exhibits + 4 oxidation state. 

Hence, the correct option is option (B) Ce.

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