JEE Mains · Chemistry · STD 12 -1. Solution and colligative properties
\(0.05 \mathrm{M} \mathrm{CuSO}_4\) when treated with \(0.01 \mathrm{M} \mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) gives green colour solution of \(\mathrm{Cu}_2 \mathrm{Cr}_2 \mathrm{O}_7\). The [\(SPM\) : Semi Permeable Membrane] \({K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) & \({CuSO}_4\) Side \(\mathrm{X}\) [\(SPM\)] Side \(\mathrm{Y}\) Due to osmosis :
- A Green colour formation observed on side \(Y\).
- B Green colour formation observed on side \(\mathrm{X}\).
- C Molarity of \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) solution is lowered.
- D Molarity of \(\mathrm{CuSO}_4\) solution is lowered.
Answer & Solution
Correct Answer
(D) Molarity of \(\mathrm{CuSO}_4\) solution is lowered.
Step-by-step Solution
Detailed explanation
Only solvent Molecules are allowed to pass through the \(SPM\).
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