Chemistry · 2022
JEE Main · 26 June 2022, Shift 1 · Q82
A 0.5 percent solution of potassium chloride was found to freeze at -0.24^° C. The percentage dissociation of potassium chloride is \ \ \ \. (Nearest…
A $\displaystyle 0.5$ percent solution of potassium chloride was found to freeze at $\displaystyle -0.24^{\circ} \mathrm{C}$. The percentage dissociation of potassium chloride is \_\_\_\_. (Nearest integer)
(Molal depression constant for water is $\displaystyle 1.80 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ and molar mass of KCl is $\displaystyle 74.6 \mathrm{~g} \mathrm{~mol}^{-1}$ )
Official answer
98
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.