Class 12 Chemistry Chapter 4 The d-and f-Block Elements MCQs Updated 2024
Q.1: The element which shows only +3 oxidation state among the following is: (a) Iron (b) Copper (c) Cobalt (d) Chromium Q.2: The electronic configuration of Fe2+ ion is: (a) [Ar] 3d6 (b) [Ar] 3d7 (c) [Ar] 3d5 (d) [Ar] 3d8 Q.3: Which one of the following is a common oxidation state for all actinoids? …
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