JEE Main 2025 — Solutions Question with Solution

$XY$ is the membrane/partition between two chambers 1 and 2 containing sugar solutions of concentration $c_1$ and $c_2\left(c_1>c_2\right)\mathrm{mol}{\mathrm{L}}^{-1}$. For the reverse osmosis to take place identify the correct condition.

(Here $p_1$ and $p_2$ are pressures applied on chamber 1 and 2 ).

A. Membrane/Partition : Cellophane, ${\mathrm{p}}_1>\pi$

B. Membrane/Partition : Porous, ${\mathrm{p}}_2>\pi$

C. Membrane/Partition : Parchment paper, $p_1>\pi$

D. Membrane/Partition : Cellophane, ${\mathrm{p}}_2>\pi$

Choose the correct answer from the option given below: