CBSE 2026 · Region 4 · Set 3 · Q5 · 1 mark
Which of the following transition metals shows +$\displaystyle 1$ and +$\displaystyle 2$ oxidation states ?
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Cu
The d-and f-Block ElementsGeneral Properties of the Transition Elements (d-Block)Remembermcqeasy
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CBSE Class 12 Chemistry past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.