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1. Solution and colligative properties — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry1. Solution and colligative properties1 Mark
MCQ
The osmotic pressure of $1\,m$ solution at ${27\,^o}C$ is ........... $atm$
  • A
    $2.46$
  • ✓
    $24.6$
  • C
    $1.21$
  • D
    $12.1$
✓

Answer

Correct option: B.
$24.6$
b
(b)Osmotic pressure $= CRT$  where $ C = 1\,m$

$\pi = CRT$ $ = 1 \times 0.0821 \times 300$ $ = 24.6\,atm$

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