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Acidity of Carboxylic Acids

Benzophenone ...

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Benzophenone has freezing point 49^°C. 0.45 molal solution of urea in benzophenone has freezing point 44.59^°C. Find Kf of solvent.

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Q. An aqueous solution of urea has freezing point

- {0.52}^{o} C .

Then its molality will be:

K_{f} = {1.86}^{0} C / m

Q. A solution of urea in water has a boiling point of

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K_{b}

{1.86}^{\circ} C k g m o l^{- 1}

{0.512}^{\circ} C k g m o l^{- 1}

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Q. The freezing point of water is depressed by

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