Chemistry · 2023
JEE Main · 6 April 2023, Shift 2 · Q84
Consider the following pairs of solution which will be isotonic at the same temperature. The number of pairs of solutions is / are ____. A. 1 M aq.…
Consider the following pairs of solution which will be isotonic at the same temperature. The number of pairs of solutions is / are $\displaystyle \_\_\_\_$.
A. $\displaystyle 1 \mathrm{M}$ aq. NaCl and $\displaystyle 2$ M aq. urea
B. $\displaystyle 1$ M aq. $\displaystyle \mathrm{CaCl}_2$ and $\displaystyle 1.5$ M aq. KCl
C. $\displaystyle 1.5 \mathrm{M}$ aq. $\displaystyle \mathrm{AlCl}_3$ and $\displaystyle 2$ M aq. $\displaystyle \mathrm{Na}_2 \mathrm{SO}_4$
D. $\displaystyle 2.5$ M aq. KCl and $\displaystyle 1$ M aq. $\displaystyle \mathrm{Al}_2\left(\mathrm{SO}_4\right)_3$
Official answer
From NTA’s final answer key for this paper.
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.