JEE Advanced Chemistry question

In 3d transition series, if nuclear charge increases, the screening effect

(A)IncreasesCorrect
(B)Decreases
(C)First decreases and then increases
(D)First increases and then decreases

Answer: (A)

Solution

As electrons are successively added to the subshell across the first transition series, each additional d-electron (though shielding imperfectly) does contribute some extra screening of the nuclear charge

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Question ID VK-159785