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JEE Main Chemistry question

ChemistrySolutionsJEE Main

When 20 g of naphthoic acid () is dissolved in 50 g of benzene (), a freezing point depression of 2 K is observed. The van't Hoff factor () is

Answer: (A)

Solution

Molar mass of . Molality . Calculated (normal) depression k_f$ m = 1.72

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Question ID VK-143120