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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
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The electronic configurations of four elements are :
(i)
(ii)
(iii)
(iv)
Which one of the following statements about these elements is not correct?
(i)
(ii)
(iii)
(iv)
Which one of the following statements about these elements is not correct?
View answer and explanation
Correct option: B
(ii) is a d-block element
Option B ((ii) is a d-block element) is not correct because element (ii) is a lanthanide (f-block) element, specifically the last member of the lanthanide series.
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