Chemistry · 2021
JEE Main · 18 March 2021, Shift 1 · Q54
2 molal solution of a weak acid HA has a freezing point of 3.885^° C. The degree of dissociation of this acid is \ \ \ \ × 10^-3. (Round off to the…
$\displaystyle 2$ molal solution of a weak acid HA has a freezing point of $\displaystyle 3.885^{\circ} \mathrm{C}$. The degree of dissociation of this acid is \_\_\_\_ $\displaystyle \times 10^{-3}$. (Round off to the Nearest Integer).
[Given : Molal depression constant of water $\displaystyle =1.85 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
$$\text { Freezing point of pure water } \left.=0^{\circ} \mathrm{C}\right]
$$
Official answer
50
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