05. Isotonic Solution
SOLUTIONS

277531 Which of the following pair of solutions is isotonic?

1 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.015 \mathrm{M} \mathrm{NaCl}$
2 $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$ and $0.001 \mathrm{M} \mathrm{BaCl}_{2}$
3 $0.001 \mathrm{M} \mathrm{CaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
4 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{CaCl}_{2}$
SOLUTIONS

277532 Which of the following sets of solutions of urea (mol. mass $60 \mathrm{~g} \mathrm{~mol}^{-1}$ ) and sucrose (mol. mass $342 \mathrm{~g} \mathrm{~mol}^{-1}$ ) is isotonic?

1 $9.1 \mathrm{gL}^{-1}$ urea and $6.0 \mathrm{gL}^{-1}$ sucrose
2 $3.0 \mathrm{gL}^{-1}$ urea and $3.0 \mathrm{gL}^{-1}$ sucrose
3 $6.0 \mathrm{gL}^{-1}$ urea and $9.0 \mathrm{gL}^{-1}$ sucrose
4 $3.0 \mathrm{gL}^{-1}$ urea and $17.1 \mathrm{gL}^{-1}$ sucrose
SOLUTIONS

277533 Which solution is isotonic with $6 \% \mathrm{w} / \mathrm{v}$ aqueous solution of urea? [Mole mass of Urea $=60 \mathrm{gm}$. mol $^{-1}$ ]

1 $0.25 \mathrm{M} \mathrm{NaCl}$
2 $0.5 \mathrm{M} \mathrm{NaCl}$
3 $0.1 \mathrm{M} \mathrm{NaCl}$
4 $1 \mathrm{M} \mathrm{NaCl}$
SOLUTIONS

277535 At certain temperature $1.6 \%$ solution of an unknown substance is isotonic with $2.4 \%$ solution of Urea. If both the solutions have the same solvent and both the solutions have same density $1 \mathrm{gm} / \mathrm{cm}^{3}$, what will be the molecular mass of unknown substance in $\mathrm{gm} . / \mathrm{mol}$.
[Molecular mass of urea $=60 \mathrm{gm} / \mathrm{mol}$ ]

1 30
2 40
3 80
4 90
SOLUTIONS

277531 Which of the following pair of solutions is isotonic?

1 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.015 \mathrm{M} \mathrm{NaCl}$
2 $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$ and $0.001 \mathrm{M} \mathrm{BaCl}_{2}$
3 $0.001 \mathrm{M} \mathrm{CaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
4 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{CaCl}_{2}$
SOLUTIONS

277532 Which of the following sets of solutions of urea (mol. mass $60 \mathrm{~g} \mathrm{~mol}^{-1}$ ) and sucrose (mol. mass $342 \mathrm{~g} \mathrm{~mol}^{-1}$ ) is isotonic?

1 $9.1 \mathrm{gL}^{-1}$ urea and $6.0 \mathrm{gL}^{-1}$ sucrose
2 $3.0 \mathrm{gL}^{-1}$ urea and $3.0 \mathrm{gL}^{-1}$ sucrose
3 $6.0 \mathrm{gL}^{-1}$ urea and $9.0 \mathrm{gL}^{-1}$ sucrose
4 $3.0 \mathrm{gL}^{-1}$ urea and $17.1 \mathrm{gL}^{-1}$ sucrose
SOLUTIONS

277533 Which solution is isotonic with $6 \% \mathrm{w} / \mathrm{v}$ aqueous solution of urea? [Mole mass of Urea $=60 \mathrm{gm}$. mol $^{-1}$ ]

1 $0.25 \mathrm{M} \mathrm{NaCl}$
2 $0.5 \mathrm{M} \mathrm{NaCl}$
3 $0.1 \mathrm{M} \mathrm{NaCl}$
4 $1 \mathrm{M} \mathrm{NaCl}$
SOLUTIONS

277535 At certain temperature $1.6 \%$ solution of an unknown substance is isotonic with $2.4 \%$ solution of Urea. If both the solutions have the same solvent and both the solutions have same density $1 \mathrm{gm} / \mathrm{cm}^{3}$, what will be the molecular mass of unknown substance in $\mathrm{gm} . / \mathrm{mol}$.
[Molecular mass of urea $=60 \mathrm{gm} / \mathrm{mol}$ ]

1 30
2 40
3 80
4 90
SOLUTIONS

277531 Which of the following pair of solutions is isotonic?

1 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.015 \mathrm{M} \mathrm{NaCl}$
2 $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$ and $0.001 \mathrm{M} \mathrm{BaCl}_{2}$
3 $0.001 \mathrm{M} \mathrm{CaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
4 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{CaCl}_{2}$
SOLUTIONS

277532 Which of the following sets of solutions of urea (mol. mass $60 \mathrm{~g} \mathrm{~mol}^{-1}$ ) and sucrose (mol. mass $342 \mathrm{~g} \mathrm{~mol}^{-1}$ ) is isotonic?

1 $9.1 \mathrm{gL}^{-1}$ urea and $6.0 \mathrm{gL}^{-1}$ sucrose
2 $3.0 \mathrm{gL}^{-1}$ urea and $3.0 \mathrm{gL}^{-1}$ sucrose
3 $6.0 \mathrm{gL}^{-1}$ urea and $9.0 \mathrm{gL}^{-1}$ sucrose
4 $3.0 \mathrm{gL}^{-1}$ urea and $17.1 \mathrm{gL}^{-1}$ sucrose
SOLUTIONS

277533 Which solution is isotonic with $6 \% \mathrm{w} / \mathrm{v}$ aqueous solution of urea? [Mole mass of Urea $=60 \mathrm{gm}$. mol $^{-1}$ ]

1 $0.25 \mathrm{M} \mathrm{NaCl}$
2 $0.5 \mathrm{M} \mathrm{NaCl}$
3 $0.1 \mathrm{M} \mathrm{NaCl}$
4 $1 \mathrm{M} \mathrm{NaCl}$
SOLUTIONS

277535 At certain temperature $1.6 \%$ solution of an unknown substance is isotonic with $2.4 \%$ solution of Urea. If both the solutions have the same solvent and both the solutions have same density $1 \mathrm{gm} / \mathrm{cm}^{3}$, what will be the molecular mass of unknown substance in $\mathrm{gm} . / \mathrm{mol}$.
[Molecular mass of urea $=60 \mathrm{gm} / \mathrm{mol}$ ]

1 30
2 40
3 80
4 90
SOLUTIONS

277531 Which of the following pair of solutions is isotonic?

1 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.015 \mathrm{M} \mathrm{NaCl}$
2 $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$ and $0.001 \mathrm{M} \mathrm{BaCl}_{2}$
3 $0.001 \mathrm{M} \mathrm{CaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
4 $0.01 \mathrm{M} \mathrm{BaCl}_{2}$ and $0.001 \mathrm{M} \mathrm{CaCl}_{2}$
SOLUTIONS

277532 Which of the following sets of solutions of urea (mol. mass $60 \mathrm{~g} \mathrm{~mol}^{-1}$ ) and sucrose (mol. mass $342 \mathrm{~g} \mathrm{~mol}^{-1}$ ) is isotonic?

1 $9.1 \mathrm{gL}^{-1}$ urea and $6.0 \mathrm{gL}^{-1}$ sucrose
2 $3.0 \mathrm{gL}^{-1}$ urea and $3.0 \mathrm{gL}^{-1}$ sucrose
3 $6.0 \mathrm{gL}^{-1}$ urea and $9.0 \mathrm{gL}^{-1}$ sucrose
4 $3.0 \mathrm{gL}^{-1}$ urea and $17.1 \mathrm{gL}^{-1}$ sucrose
SOLUTIONS

277533 Which solution is isotonic with $6 \% \mathrm{w} / \mathrm{v}$ aqueous solution of urea? [Mole mass of Urea $=60 \mathrm{gm}$. mol $^{-1}$ ]

1 $0.25 \mathrm{M} \mathrm{NaCl}$
2 $0.5 \mathrm{M} \mathrm{NaCl}$
3 $0.1 \mathrm{M} \mathrm{NaCl}$
4 $1 \mathrm{M} \mathrm{NaCl}$
SOLUTIONS

277535 At certain temperature $1.6 \%$ solution of an unknown substance is isotonic with $2.4 \%$ solution of Urea. If both the solutions have the same solvent and both the solutions have same density $1 \mathrm{gm} / \mathrm{cm}^{3}$, what will be the molecular mass of unknown substance in $\mathrm{gm} . / \mathrm{mol}$.
[Molecular mass of urea $=60 \mathrm{gm} / \mathrm{mol}$ ]

1 30
2 40
3 80
4 90