03. Osmosis and Osmotic Pressure of the Solution
« Previous Topic: 02. Lowering of Vapour Pressure Next Topic: 04. Solubility »
SOLUTIONS

277480 An $1 \%$ solution of $\mathrm{KCl}$ (I), $\mathrm{NaCl}$ (II), $\mathrm{BaCl}_{2}$ (III) and urea (IV) have their osmotic pressure at the same temperature in the ascending order (molar masses of $\mathrm{NaCl}, \mathrm{KCl} \mathbf{B a C l}_{2}$ and urea are respectively $58.5,74.5,208.4$ and $60 \mathrm{~g}$. $\mathrm{mol}^{-}$ 1) Assume 100\% ionization of the electrolytes at this temperature

1 I $<$ III $<$ II $<$ IV
2 III $<$ I $<$ II $<$ IV
3 I $<$ II $<$ III $<$ IV
4 I $<$ III $<$ IV $<$ II
5 III $<$ IV $<$ I $<$ II
Kerala-CEE-2009
SOLUTIONS

277482 What is the osmotic pressure of the solution obtained by mixing $300 \mathrm{~cm}^{3}$ of $2 \%$ (massvolume) solution of urea with $300 \mathrm{~cm}^{3}$ of $3.42 \%$ solution of sucrose at $20 C^{\circ}$ ? $(R=0.082 \mathrm{~L}$ atm $\mathbf{K}^{-1} \mathbf{m o l}^{-1}$ )

1 $5.0 \mathrm{~atm}$
2 $5.2 \mathrm{~atm}$
3 $2.6 \mathrm{~atm}$
4 $4.5 \mathrm{~atm}$
SCRA - 2009
SOLUTIONS

277483 A solution containing $10 \mathrm{~g}$ of urea $(M=60)$ per litre is isotonic with a solution containing $5 \%$ of solute $X$. What is the molar of the solute $X$ ?

1 60
2 100
3 300
4 600
SCRA - 2009
SOLUTIONS

277485 The molar mass of the solute sodium hydroxide obtained from the measurement of the osmotic pressure of its aqueous solution at $27^{0} \mathrm{C}$ is $25 \mathrm{~g}$ $\mathrm{mol}^{-1}$. Therefore, its ionization percentage in this solution is

1 75
2 60
3 80
4 70
J and K CET-(2009)
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
SOLUTIONS

277480 An $1 \%$ solution of $\mathrm{KCl}$ (I), $\mathrm{NaCl}$ (II), $\mathrm{BaCl}_{2}$ (III) and urea (IV) have their osmotic pressure at the same temperature in the ascending order (molar masses of $\mathrm{NaCl}, \mathrm{KCl} \mathbf{B a C l}_{2}$ and urea are respectively $58.5,74.5,208.4$ and $60 \mathrm{~g}$. $\mathrm{mol}^{-}$ 1) Assume 100\% ionization of the electrolytes at this temperature

1 I $<$ III $<$ II $<$ IV
2 III $<$ I $<$ II $<$ IV
3 I $<$ II $<$ III $<$ IV
4 I $<$ III $<$ IV $<$ II
5 III $<$ IV $<$ I $<$ II
Kerala-CEE-2009
SOLUTIONS

277482 What is the osmotic pressure of the solution obtained by mixing $300 \mathrm{~cm}^{3}$ of $2 \%$ (massvolume) solution of urea with $300 \mathrm{~cm}^{3}$ of $3.42 \%$ solution of sucrose at $20 C^{\circ}$ ? $(R=0.082 \mathrm{~L}$ atm $\mathbf{K}^{-1} \mathbf{m o l}^{-1}$ )

1 $5.0 \mathrm{~atm}$
2 $5.2 \mathrm{~atm}$
3 $2.6 \mathrm{~atm}$
4 $4.5 \mathrm{~atm}$
SCRA - 2009
SOLUTIONS

277483 A solution containing $10 \mathrm{~g}$ of urea $(M=60)$ per litre is isotonic with a solution containing $5 \%$ of solute $X$. What is the molar of the solute $X$ ?

1 60
2 100
3 300
4 600
SCRA - 2009
SOLUTIONS

277485 The molar mass of the solute sodium hydroxide obtained from the measurement of the osmotic pressure of its aqueous solution at $27^{0} \mathrm{C}$ is $25 \mathrm{~g}$ $\mathrm{mol}^{-1}$. Therefore, its ionization percentage in this solution is

1 75
2 60
3 80
4 70
J and K CET-(2009)
NEET DIGITAL LIBRARY
SOLUTIONS

277480 An $1 \%$ solution of $\mathrm{KCl}$ (I), $\mathrm{NaCl}$ (II), $\mathrm{BaCl}_{2}$ (III) and urea (IV) have their osmotic pressure at the same temperature in the ascending order (molar masses of $\mathrm{NaCl}, \mathrm{KCl} \mathbf{B a C l}_{2}$ and urea are respectively $58.5,74.5,208.4$ and $60 \mathrm{~g}$. $\mathrm{mol}^{-}$ 1) Assume 100\% ionization of the electrolytes at this temperature

1 I $<$ III $<$ II $<$ IV
2 III $<$ I $<$ II $<$ IV
3 I $<$ II $<$ III $<$ IV
4 I $<$ III $<$ IV $<$ II
5 III $<$ IV $<$ I $<$ II
Kerala-CEE-2009
SOLUTIONS

277482 What is the osmotic pressure of the solution obtained by mixing $300 \mathrm{~cm}^{3}$ of $2 \%$ (massvolume) solution of urea with $300 \mathrm{~cm}^{3}$ of $3.42 \%$ solution of sucrose at $20 C^{\circ}$ ? $(R=0.082 \mathrm{~L}$ atm $\mathbf{K}^{-1} \mathbf{m o l}^{-1}$ )

1 $5.0 \mathrm{~atm}$
2 $5.2 \mathrm{~atm}$
3 $2.6 \mathrm{~atm}$
4 $4.5 \mathrm{~atm}$
SCRA - 2009
SOLUTIONS

277483 A solution containing $10 \mathrm{~g}$ of urea $(M=60)$ per litre is isotonic with a solution containing $5 \%$ of solute $X$. What is the molar of the solute $X$ ?

1 60
2 100
3 300
4 600
SCRA - 2009
SOLUTIONS

277485 The molar mass of the solute sodium hydroxide obtained from the measurement of the osmotic pressure of its aqueous solution at $27^{0} \mathrm{C}$ is $25 \mathrm{~g}$ $\mathrm{mol}^{-1}$. Therefore, its ionization percentage in this solution is

1 75
2 60
3 80
4 70
J and K CET-(2009)
Join With Us for More Updates
SOLUTIONS

277480 An $1 \%$ solution of $\mathrm{KCl}$ (I), $\mathrm{NaCl}$ (II), $\mathrm{BaCl}_{2}$ (III) and urea (IV) have their osmotic pressure at the same temperature in the ascending order (molar masses of $\mathrm{NaCl}, \mathrm{KCl} \mathbf{B a C l}_{2}$ and urea are respectively $58.5,74.5,208.4$ and $60 \mathrm{~g}$. $\mathrm{mol}^{-}$ 1) Assume 100\% ionization of the electrolytes at this temperature

1 I $<$ III $<$ II $<$ IV
2 III $<$ I $<$ II $<$ IV
3 I $<$ II $<$ III $<$ IV
4 I $<$ III $<$ IV $<$ II
5 III $<$ IV $<$ I $<$ II
Kerala-CEE-2009
SOLUTIONS

277482 What is the osmotic pressure of the solution obtained by mixing $300 \mathrm{~cm}^{3}$ of $2 \%$ (massvolume) solution of urea with $300 \mathrm{~cm}^{3}$ of $3.42 \%$ solution of sucrose at $20 C^{\circ}$ ? $(R=0.082 \mathrm{~L}$ atm $\mathbf{K}^{-1} \mathbf{m o l}^{-1}$ )

1 $5.0 \mathrm{~atm}$
2 $5.2 \mathrm{~atm}$
3 $2.6 \mathrm{~atm}$
4 $4.5 \mathrm{~atm}$
SCRA - 2009
SOLUTIONS

277483 A solution containing $10 \mathrm{~g}$ of urea $(M=60)$ per litre is isotonic with a solution containing $5 \%$ of solute $X$. What is the molar of the solute $X$ ?

1 60
2 100
3 300
4 600
SCRA - 2009
SOLUTIONS

277485 The molar mass of the solute sodium hydroxide obtained from the measurement of the osmotic pressure of its aqueous solution at $27^{0} \mathrm{C}$ is $25 \mathrm{~g}$ $\mathrm{mol}^{-1}$. Therefore, its ionization percentage in this solution is

1 75
2 60
3 80
4 70
J and K CET-(2009)
For More Updates join with Us