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Depression in Freezing Point

1.0 gram of n...

Question

1.0 gram of non-volatele solute (molar mass 250 g ${m o l}^{- 1}$ ) is dissolved in 51.2 gram solvent (benzene). If the $K_{f}$ value of benzene is 5.12 K, kg ${m o l}^{- 1}$ ) then what will be the depression in freezing points of benzene?

A

0.2K

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B

0.4K

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C

0.3K

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D

0.5K

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Solution

The correct option is B 0.4K

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