CBSE 2024 · Region 4 · Set 3 · Q1 · 1 mark
The molar ionic conductivities of $\displaystyle \mathrm{Al}^{3+}$ and $\displaystyle \mathrm{SO}_{4}^{2-}$ are $\displaystyle 189 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$ and $\displaystyle 160 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$ respectively. The value of limiting molar conductivity of $\displaystyle \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$ will be :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 858 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$
ElectrochemistryConductance of Electrolytic SolutionsApplymcqmedium
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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.