Chemistry · 2021
JEE Main · 26 August 2021, Shift 1 · Q54
Of the following four aqueous solutions, total number of those solutions whose freezing point is lower than that of 0.10 M C_2 H_5 OH is \ \ \ \.…
Of the following four aqueous solutions, total number of those solutions whose freezing point is lower than that of $\displaystyle 0.10 \mathrm{M} \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$ is \_\_\_\_. (Integer answer)
(i)
$\displaystyle 0.10 \mathrm{M} \mathrm{Ba}_3\left(\mathrm{PO}_4\right)_2$
(ii)
$\displaystyle 0.10 \mathrm{M} \mathrm{Na}_2 \mathrm{SO}_4$
(iii)
0.$\displaystyle 10$ M KCl
(iv)
$\displaystyle 0.10 \mathrm{M} \mathrm{Li}_3 \mathrm{PO}_4$
Official answer
4
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.