Abnormal Molar Masses and Van't Hoff Factor
CHXII02:SOLUTIONS

319024 Consider the following statements
i. Isotonic solutions have the same molar concentration at a given temperature
ii. The molal elevation constat \({{\rm{K}}_{\rm{b}}}\) is a characteristic of a solvent, and is independent of the solute added
iii. The freezing point of a 0.1 M aqueous KCl solution is more than that of a 0.1M aqueous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) solution
Which of these statements is correct?

1 i and ii
2 ii and iii
3 i and iii
4 i, ii and iii
CHXII02:SOLUTIONS

319025 \(0.1\,{\rm{M}}\,{\rm{NaCl}}\) and \(0.05\,{\rm{M}}\,{\rm{BaC}}{{\rm{l}}_2}\) solutions are separated by a semipermeable membrane in a container. For this system, choose the correct answer.

1 There is no movement of any solution across the membrane
2 Water flows from \(\mathrm{BaCl}_{2}\) solution towards \(\mathrm{NaCl}\) solution
3 Water flows from \(\mathrm{NaCl}\) solution towards \(\mathrm{BaCl}_{2}\) solution
4 Osmotic pressure of \(0.1 \mathrm{M} \,\mathrm{NaCl}\) is lower than the osmotic pressure of \(0.05 \,\mathrm{M} \,\mathrm{BaCl}_{2}\) (assume complete dissociation)
CHXII02:SOLUTIONS

319026 A solute X when dissolved in a solvent associates to form a pentamer. The value of van’t Hoff factor (i) for the solute will be

1 0.5
2 5
3 0.2
4 0.1
CHXII02:SOLUTIONS

319027 Four solutions of \(\mathrm{K}_{2} \mathrm{SO}_{4}\) with the following concentration \(0.1 \mathrm{~m}, 0.01 \mathrm{~m}, 0.001 \mathrm{~m}\) and \(0.0001 \mathrm{~m}\) are available. The maximum value of van't Hoff factor, \(i\), corresponds to

1 \(0.0001 \mathrm{~m}\) solution
2 \(0.001 \mathrm{~m}\) solution
3 \(0.01 \mathrm{~m}\) solution
4 \(0.1 \mathrm{~m}\) solution
CHXII02:SOLUTIONS

319028 The solute ‘A’ is a ternary electrolyte and solute ‘B’ is a non-electrolyte. If 0.1 M solution of solute ‘B’ produces an osmotic pressure of 2P, then 0.05 M solution of A at the same temperature will produce an osmotic pressure equal to

1 P
2 1.5 P
3 \({\rm{2}}\,\,{\rm{P}}\)
4 \({\rm{3}}\,\,{\rm{P}}\)
CHXII02:SOLUTIONS

319024 Consider the following statements
i. Isotonic solutions have the same molar concentration at a given temperature
ii. The molal elevation constat \({{\rm{K}}_{\rm{b}}}\) is a characteristic of a solvent, and is independent of the solute added
iii. The freezing point of a 0.1 M aqueous KCl solution is more than that of a 0.1M aqueous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) solution
Which of these statements is correct?

1 i and ii
2 ii and iii
3 i and iii
4 i, ii and iii
CHXII02:SOLUTIONS

319025 \(0.1\,{\rm{M}}\,{\rm{NaCl}}\) and \(0.05\,{\rm{M}}\,{\rm{BaC}}{{\rm{l}}_2}\) solutions are separated by a semipermeable membrane in a container. For this system, choose the correct answer.

1 There is no movement of any solution across the membrane
2 Water flows from \(\mathrm{BaCl}_{2}\) solution towards \(\mathrm{NaCl}\) solution
3 Water flows from \(\mathrm{NaCl}\) solution towards \(\mathrm{BaCl}_{2}\) solution
4 Osmotic pressure of \(0.1 \mathrm{M} \,\mathrm{NaCl}\) is lower than the osmotic pressure of \(0.05 \,\mathrm{M} \,\mathrm{BaCl}_{2}\) (assume complete dissociation)
CHXII02:SOLUTIONS

319026 A solute X when dissolved in a solvent associates to form a pentamer. The value of van’t Hoff factor (i) for the solute will be

1 0.5
2 5
3 0.2
4 0.1
CHXII02:SOLUTIONS

319027 Four solutions of \(\mathrm{K}_{2} \mathrm{SO}_{4}\) with the following concentration \(0.1 \mathrm{~m}, 0.01 \mathrm{~m}, 0.001 \mathrm{~m}\) and \(0.0001 \mathrm{~m}\) are available. The maximum value of van't Hoff factor, \(i\), corresponds to

1 \(0.0001 \mathrm{~m}\) solution
2 \(0.001 \mathrm{~m}\) solution
3 \(0.01 \mathrm{~m}\) solution
4 \(0.1 \mathrm{~m}\) solution
CHXII02:SOLUTIONS

319028 The solute ‘A’ is a ternary electrolyte and solute ‘B’ is a non-electrolyte. If 0.1 M solution of solute ‘B’ produces an osmotic pressure of 2P, then 0.05 M solution of A at the same temperature will produce an osmotic pressure equal to

1 P
2 1.5 P
3 \({\rm{2}}\,\,{\rm{P}}\)
4 \({\rm{3}}\,\,{\rm{P}}\)
CHXII02:SOLUTIONS

319024 Consider the following statements
i. Isotonic solutions have the same molar concentration at a given temperature
ii. The molal elevation constat \({{\rm{K}}_{\rm{b}}}\) is a characteristic of a solvent, and is independent of the solute added
iii. The freezing point of a 0.1 M aqueous KCl solution is more than that of a 0.1M aqueous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) solution
Which of these statements is correct?

1 i and ii
2 ii and iii
3 i and iii
4 i, ii and iii
CHXII02:SOLUTIONS

319025 \(0.1\,{\rm{M}}\,{\rm{NaCl}}\) and \(0.05\,{\rm{M}}\,{\rm{BaC}}{{\rm{l}}_2}\) solutions are separated by a semipermeable membrane in a container. For this system, choose the correct answer.

1 There is no movement of any solution across the membrane
2 Water flows from \(\mathrm{BaCl}_{2}\) solution towards \(\mathrm{NaCl}\) solution
3 Water flows from \(\mathrm{NaCl}\) solution towards \(\mathrm{BaCl}_{2}\) solution
4 Osmotic pressure of \(0.1 \mathrm{M} \,\mathrm{NaCl}\) is lower than the osmotic pressure of \(0.05 \,\mathrm{M} \,\mathrm{BaCl}_{2}\) (assume complete dissociation)
CHXII02:SOLUTIONS

319026 A solute X when dissolved in a solvent associates to form a pentamer. The value of van’t Hoff factor (i) for the solute will be

1 0.5
2 5
3 0.2
4 0.1
CHXII02:SOLUTIONS

319027 Four solutions of \(\mathrm{K}_{2} \mathrm{SO}_{4}\) with the following concentration \(0.1 \mathrm{~m}, 0.01 \mathrm{~m}, 0.001 \mathrm{~m}\) and \(0.0001 \mathrm{~m}\) are available. The maximum value of van't Hoff factor, \(i\), corresponds to

1 \(0.0001 \mathrm{~m}\) solution
2 \(0.001 \mathrm{~m}\) solution
3 \(0.01 \mathrm{~m}\) solution
4 \(0.1 \mathrm{~m}\) solution
CHXII02:SOLUTIONS

319028 The solute ‘A’ is a ternary electrolyte and solute ‘B’ is a non-electrolyte. If 0.1 M solution of solute ‘B’ produces an osmotic pressure of 2P, then 0.05 M solution of A at the same temperature will produce an osmotic pressure equal to

1 P
2 1.5 P
3 \({\rm{2}}\,\,{\rm{P}}\)
4 \({\rm{3}}\,\,{\rm{P}}\)
CHXII02:SOLUTIONS

319024 Consider the following statements
i. Isotonic solutions have the same molar concentration at a given temperature
ii. The molal elevation constat \({{\rm{K}}_{\rm{b}}}\) is a characteristic of a solvent, and is independent of the solute added
iii. The freezing point of a 0.1 M aqueous KCl solution is more than that of a 0.1M aqueous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) solution
Which of these statements is correct?

1 i and ii
2 ii and iii
3 i and iii
4 i, ii and iii
CHXII02:SOLUTIONS

319025 \(0.1\,{\rm{M}}\,{\rm{NaCl}}\) and \(0.05\,{\rm{M}}\,{\rm{BaC}}{{\rm{l}}_2}\) solutions are separated by a semipermeable membrane in a container. For this system, choose the correct answer.

1 There is no movement of any solution across the membrane
2 Water flows from \(\mathrm{BaCl}_{2}\) solution towards \(\mathrm{NaCl}\) solution
3 Water flows from \(\mathrm{NaCl}\) solution towards \(\mathrm{BaCl}_{2}\) solution
4 Osmotic pressure of \(0.1 \mathrm{M} \,\mathrm{NaCl}\) is lower than the osmotic pressure of \(0.05 \,\mathrm{M} \,\mathrm{BaCl}_{2}\) (assume complete dissociation)
CHXII02:SOLUTIONS

319026 A solute X when dissolved in a solvent associates to form a pentamer. The value of van’t Hoff factor (i) for the solute will be

1 0.5
2 5
3 0.2
4 0.1
CHXII02:SOLUTIONS

319027 Four solutions of \(\mathrm{K}_{2} \mathrm{SO}_{4}\) with the following concentration \(0.1 \mathrm{~m}, 0.01 \mathrm{~m}, 0.001 \mathrm{~m}\) and \(0.0001 \mathrm{~m}\) are available. The maximum value of van't Hoff factor, \(i\), corresponds to

1 \(0.0001 \mathrm{~m}\) solution
2 \(0.001 \mathrm{~m}\) solution
3 \(0.01 \mathrm{~m}\) solution
4 \(0.1 \mathrm{~m}\) solution
CHXII02:SOLUTIONS

319028 The solute ‘A’ is a ternary electrolyte and solute ‘B’ is a non-electrolyte. If 0.1 M solution of solute ‘B’ produces an osmotic pressure of 2P, then 0.05 M solution of A at the same temperature will produce an osmotic pressure equal to

1 P
2 1.5 P
3 \({\rm{2}}\,\,{\rm{P}}\)
4 \({\rm{3}}\,\,{\rm{P}}\)
CHXII02:SOLUTIONS

319024 Consider the following statements
i. Isotonic solutions have the same molar concentration at a given temperature
ii. The molal elevation constat \({{\rm{K}}_{\rm{b}}}\) is a characteristic of a solvent, and is independent of the solute added
iii. The freezing point of a 0.1 M aqueous KCl solution is more than that of a 0.1M aqueous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) solution
Which of these statements is correct?

1 i and ii
2 ii and iii
3 i and iii
4 i, ii and iii
CHXII02:SOLUTIONS

319025 \(0.1\,{\rm{M}}\,{\rm{NaCl}}\) and \(0.05\,{\rm{M}}\,{\rm{BaC}}{{\rm{l}}_2}\) solutions are separated by a semipermeable membrane in a container. For this system, choose the correct answer.

1 There is no movement of any solution across the membrane
2 Water flows from \(\mathrm{BaCl}_{2}\) solution towards \(\mathrm{NaCl}\) solution
3 Water flows from \(\mathrm{NaCl}\) solution towards \(\mathrm{BaCl}_{2}\) solution
4 Osmotic pressure of \(0.1 \mathrm{M} \,\mathrm{NaCl}\) is lower than the osmotic pressure of \(0.05 \,\mathrm{M} \,\mathrm{BaCl}_{2}\) (assume complete dissociation)
CHXII02:SOLUTIONS

319026 A solute X when dissolved in a solvent associates to form a pentamer. The value of van’t Hoff factor (i) for the solute will be

1 0.5
2 5
3 0.2
4 0.1
CHXII02:SOLUTIONS

319027 Four solutions of \(\mathrm{K}_{2} \mathrm{SO}_{4}\) with the following concentration \(0.1 \mathrm{~m}, 0.01 \mathrm{~m}, 0.001 \mathrm{~m}\) and \(0.0001 \mathrm{~m}\) are available. The maximum value of van't Hoff factor, \(i\), corresponds to

1 \(0.0001 \mathrm{~m}\) solution
2 \(0.001 \mathrm{~m}\) solution
3 \(0.01 \mathrm{~m}\) solution
4 \(0.1 \mathrm{~m}\) solution
CHXII02:SOLUTIONS

319028 The solute ‘A’ is a ternary electrolyte and solute ‘B’ is a non-electrolyte. If 0.1 M solution of solute ‘B’ produces an osmotic pressure of 2P, then 0.05 M solution of A at the same temperature will produce an osmotic pressure equal to

1 P
2 1.5 P
3 \({\rm{2}}\,\,{\rm{P}}\)
4 \({\rm{3}}\,\,{\rm{P}}\)