Chemistry · 2026
JEE Main · 6 April 2026, Shift 1 · Q58
Consider the following data. BaSO_4 is sparingly soluble in water. If the conductivity of the saturated BaSO_4 solution is x S cm^-1 then the…
Consider the following data.
$\displaystyle \mathrm{BaSO}_4$ is sparingly soluble in water. If the conductivity of the saturated $\displaystyle \mathrm{BaSO}_4$ solution is $\displaystyle x \mathrm{~S} \mathrm{~cm}^{-1}$ then the solubility product of $\displaystyle \mathrm{BaSO}_4$ can be given as (Here $\displaystyle \Lambda_{\mathrm{m}}=\Lambda_{\mathrm{m}}^{\circ}$ )
| Electrolyte | $\displaystyle \boldsymbol{\Lambda}^{\boldsymbol{\circ}}{ }_{\mathbf{m}} \boldsymbol{(} \mathbf{S ~ c m}^{\mathbf{2}} \mathbf{~ m o l}^{\boldsymbol{-} \mathbf{1}} \boldsymbol{)}$ |
| $\displaystyle \mathrm{BaCl}_2$ | $\displaystyle x_1$ |
| $\displaystyle \mathrm{H}_2 \mathrm{SO}_4$ | $\displaystyle x_2$ |
| HCl | $\displaystyle x_3$ |
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \frac{10^6 x^2}{\alpha^2\left(x_1+x_2-2 x_3\right)^2}$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.