A solution of sucrose (molar mass $=342\,\mathrm{g\,mol^{-1}}$) has been prepared by dissolving $68.5\,\mathrm{g}$ of sucrose in $1000\,\mathrm{g}$ of water. The freezing point of the solution obtained will be ($K_{f}$ for water $=1.86\,\mathrm{K\,kg\,mol^{-1}}$)
- A$-0.372^{\circ}\mathrm{C}$
- B$-0.520^{\circ}\mathrm{C}$
- C$+0.372^{\circ}\mathrm{C}$
- D$-0.570^{\circ}\mathrm{C}$
✓ Correct answer: A
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