CBSE 2024 · Region 3 · Set 3 · Q2 · 1 mark
On adding $\displaystyle \mathrm{AgNO}_{3}$ solution to $\displaystyle 1$ mole of $\displaystyle \mathrm{CoCl}_{3} \cdot 4 \mathrm{NH}_{3}$, one mole of AgCl is precipitated. The secondary valency of Co is :
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 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.