Solutions

1. A.
   $\mathrm{K_f = \dfrac{M_1 \times T_f^2}{R \times 1000 \times \Delta_{fus}H}}$
2. B.
   $\mathrm{K_f = \dfrac{R \times M_1 \times \Delta_{fus}H}{1000 \times T_f^2}}$
3. C.
   $\mathrm{K_f = \dfrac{R \times T_f^2 \times \Delta_{fus}H}{1000 \times M_1}}$
4. D.
   $\mathrm{K_f = \dfrac{R \times M_1 \times T_f^2}{1000 \times \Delta_{fus}H}}$

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1. A.
   0.1 M Glucose
2. B.
   0.1 M $\mathrm{CaCl_2}$
3. C.
   0.1 M $\mathrm{KCl}$
4. D.
   0.1 M Urea

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1. A.
   0.1 M $\mathrm{KCl}$
2. B.
   0.1 M $\mathrm{CaCl_2}$
3. C.
   0.1 M Glucose
4. D.
   0.1 M Urea

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1. A.
   $100{\cdot}52\ ^{\circ}\mathrm{C}$
2. B.
   $101{\cdot}04\ ^{\circ}\mathrm{C}$
3. C.
   $100{\cdot}04\ ^{\circ}\mathrm{C}$
4. D.
   $101{\cdot}52\ ^{\circ}\mathrm{C}$

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1. A.
   vapour pressure of the solution increases
2. B.
   heating occurs
3. C.
   cooling occurs
4. D.
   equilibrium remains unaffected

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1. A.
   positive deviation from Raoult’s Law.
2. B.
   negative deviation from Raoult’s Law.
3. C.
   no deviation from Raoult’s Law.
4. D.
   that the solution is an ideal solution.

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1. A.
   $1{\cdot}87$
2. B.
   $0{\cdot}347$
3. C.
   $0{\cdot}0347$
4. D.
   $0{\cdot}00347$

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1. A.
   no deviation from Raoult’s law
2. B.
   that solution is an ideal solution
3. C.
   positive deviation from Raoult’s law
4. D.
   negative deviation from Raoult’s law

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1. A.
   is an ideal solution.
2. B.
   shows negative deviation from Raoult’s Law.
3. C.
   shows positive deviation from Raoult’s Law.
4. D.
   is a maximum boiling azeotrope.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   increase
2. B.
   decrease
3. C.
   remain same
4. D.
   first increase and then decrease

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1. A.
   1% $\mathrm{KCl}$
2. B.
   1% glucose
3. C.
   1% urea
4. D.
   1% $\mathrm{CaCl_2}$

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1. A.
   1% KCl
2. B.
   1% glucose
3. C.
   1% urea
4. D.
   1% $\mathrm{CaCl_2}$

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1. A.
   1% KCl
2. B.
   1% glucose
3. C.
   1% urea
4. D.
   1% $\mathrm{CaCl_2}$

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1. A.
   greater for gases with higher solubility
2. B.
   greater for gases with lower solubility
3. C.
   constant for all gases
4. D.
   not related to the solubility of gases

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1. A.
   $1{\cdot}0$ M KCl
2. B.
   $1{\cdot}0$ M $\mathrm{Na_2SO_4}$
3. C.
   $1{\cdot}0$ M Glucose
4. D.
   $1{\cdot}0$ M $\mathrm{AlCl_3}$

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1. A.
   $- 3{\cdot}72\,^{\circ}\mathrm{C}$
2. B.
   $+ 3{\cdot}72\,^{\circ}\mathrm{C}$
3. C.
   $- 1{\cdot}86\,^{\circ}\mathrm{C}$
4. D.
   $+ 2{\cdot}72\,^{\circ}\mathrm{C}$

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1. A.
   obeys Raoult’s law.
2. B.
   forms azeotrope.
3. C.
   shows a positive deviation from Raoult’s law.
4. D.
   shows a negative deviation from Raoult’s law.

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1. A.
   equal to 10 mL
2. B.
   less than 50 mL
3. C.
   greater than 50 mL
4. D.
   equal to 50 mL

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1. A.
   obeys Raoult’s law.
2. B.
   forms an ideal solution.
3. C.
   shows a positive deviation from Raoult’s law.
4. D.
   shows a negative deviation from Raoult’s law.

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1. A.
   it gains water due to osmosis
2. B.
   it loses water due to reverse osmosis
3. C.
   it gains water due to reverse osmosis
4. D.
   it loses water due to osmosis

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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