32. Which of the following solution is hypertonic at constant identical temperature? 1M aqueous glucose 1M benzoic acid in benzene 1M aqueous ammonium phosphate 1M aqueous calcium chloride

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Q. The temperature at which

10 %

aqueous solution

(\begin{matrix} \frac{W}{V} \end{matrix})

of glucose will exhibit the osmotic pressure of 16.4 atm is:

(R = 0.082 d m^{3} . a t m . K^{- 1} . m o l^{- 1})

Q. Explain the following :
(i) When

N a C l

is added to

A g N O_{3}

solution, a white precipitate is formed.
(ii) An aqueous solution of ammonium chloride is acidic in nature.

Q. Write the chemical formula of ammonium chloride. Explain why an aqueous solution of ammonium chloride is acidic in nature? Illustrate your answer with the help of a chemical equation.

Relative lowering of vapour pressure of a dilute aqueous solution of glucose is found to be $0.018$ . Hence, elevation in boiling point is:
(Given, that $1$ molal aqueous urea solution boils at $00.54^{o} C$ at $1$ atm pressure)

The vapour pressure of dilute aqueous solution of glucose is 750 mm of Hg at 373 K. The mole fraction of glucose is :

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