Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Solutions

Question:

Match List-I with List-II

List-I Law/Property

List-II Expression

(A) Raoult's law

(I) $P_{total} = p_1 + p_2$

(B) Dalton's law of partial pressures

(II) $p_1 = x_1p_1^0$

(C) Henry's law

(III) $Π= CRT$

(D) Osmotic pressure

(IV) $p = K_Hx$

Choose the correct answer from the options given below:

Options:

(A)-(I), (B)-(II), (C)-(IV), (D)-(III)

(A)-(II), (B)-(I), (C)-(IV), (D)-(III)

(A)-(I), (B)-(IV), (C)-(II), (D)-(III)

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Correct Answer:

(A)-(II), (B)-(I), (C)-(IV), (D)-(III)

Explanation:

The correct answer is Option (2) → (A)-(II), (B)-(I), (C)-(IV), (D)-(III)

List-I Law/Property

List-II Expression

(A) Raoult's law

(II) $p_1 = x_1p_1^0$

(B) Dalton's law of partial pressures

(I) $P_{total} = p_1 + p_2$

(C) Henry's law

(IV) $p = K_Hx$

(D) Osmotic pressure

(III) $Π= CRT$

(A) Raoult's Law (II): This law states that the partial vapor pressure of a component in an ideal solution is equal to the vapor pressure of the pure component ($p_1^\circ$) multiplied by its mole fraction ($x_1$).

  • Expression: $p_1 = x_1 p_1^\circ$

(B) Dalton's Law of Partial Pressures (I): This law states that the total pressure exerted by a mixture of non-reactive gases is equal to the sum of the partial pressures of the individual gases.

  • Expression: $P_{\text{total}} = p_1 + p_2$

(C) Henry's Law (IV): This law states that the partial pressure of a gas in the vapor phase ($p$) is proportional to the mole fraction of the gas ($x$) in the solution.

  • Expression: $p = K_H x$

(D) Osmotic Pressure (III): For a dilute solution, osmotic pressure ($\Pi$) is directly proportional to the molar concentration ($C$) of the solute at a given temperature ($T$).

  • Expression: $\Pi = CRT$