CBSE 2023 · Region 2 · Set 2 · Q2 · 1 mark
What is the secondary valency of Cobalt in $\displaystyle \left[\mathrm{Co}\left(\mathrm{en}_{2}\right) \mathrm{Cl}_{2}\right]^{+}$? $\displaystyle 1$
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle 6$
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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.