MCQ
Calculate the cryoscopic constant when 0.8 gram non volatile solute with molar mass $64 \mathrm{~g} \mathrm{~mol}^{-1}$ dissolved in 43 gram solvent lowers the freezing point by $0.34 \mathrm{~K}$.
  • A
    $2 \cdot 5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
  • $1 \cdot 17 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
  • C
    $0.58 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
  • D
    $2.0 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$

Answer

Correct option: B.
$1 \cdot 17 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$
B

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