Chemistry · 2013
JEE Main · 22 April 2013, Shift 1 · Q45
Which one of the following arrangements represents the correct order of solubilities of sparingly soluble salts Hg_2 Cl_2, Cr_2( SO_4)_3, BaSO_4 and…
Which one of the following arrangements represents the correct order of solubilities of sparingly soluble salts $\displaystyle \mathrm{Hg}_2 \mathrm{Cl}_2, \mathrm{Cr}_2\left(\mathrm{SO}_4\right)_3$, $\displaystyle \mathrm{BaSO}_4$ and $\displaystyle \mathrm{CrCl}_3$ respectively ?
Official answer
(4)
$\displaystyle \left(\frac{K_{\mathrm{sp}}}{4}\right)^{\frac{1}{3}}, \left(\frac{K_{\mathrm{sp}}}{108}\right)^{\frac{1}{5}}, \left(K_{\mathrm{sp}}\right)^{\frac{1}{2}}, \left(\frac{K_{\mathrm{sp}}}{27}\right)^{\frac{1}{4}}$
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