The relationship between osmotic pressures $({\mathrm{\pi }}_1,{\mathrm{\pi }}_2\mathrm{and}{\mathrm{\pi }}_3)$  at a definite temperature when 1g glucose, 1 g urea and 1 g sucrose are dissolved in a litre of water is (assume $\mathrm{i}=1$  for all)

$\pi =iCRT;$  where, $i=1$  for each of the solution
$\begin{array}{l}\because \pi \alpha \frac{1}{molecularmassofsolute}\\ \therefore {\pi }_2>{\pi }_1>{\pi }_3\end{array}$
                                   
urea         glucose            sucrose
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