Chemistry · 2021
JEE Main · 26 August 2021, Shift 2 · Q54
83 g of ethylene glycol dissolved in 625 g of water. The freezing point of the solution is \ \ \ \ K. (Nearest integer) [Use: Molal Freezing point…
$\displaystyle 83$ g of ethylene glycol dissolved in $\displaystyle 625$ g of water. The freezing point of the solution is
\_\_\_\_ K. (Nearest integer)
[Use : Molal Freezing point depression constant of water $\displaystyle =1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
Freezing point of water $\displaystyle =273 \mathrm{~K}$
Atomic masses : C : $\displaystyle 12.0$ u, O : $\displaystyle 16.0$ u, H : $\displaystyle 1.0$ u]
Official answer
269
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