1.00 g of a non-electrolyte solute (molar mass 250g mol -1 ) was dissolved in 51.2 g of benzene. If the freezing point depression constant K f of benzene is 5.12 K kg mol -1 , the freezing point of benzene will be lowered by:-

1. A. 0.4 K
2. B. 0.3 K
3. C. 0.5 K
4. D. 0.2 K

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