CBSE 2023 · Region 3 · Set 1 · Q18 · 1 mark
Assertion (A): Zinc is not regarded as a transition element.
Reason (R): In zinc, 3d orbitals are completely filled in its ground state as well as in its oxidised state.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
The d-and f-Block ElementsElectronic Configurations of the d-Block ElementsUnderstandassertion_reasoneasy
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CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.