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Home Questions F34REEXCKS
Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Solutions

Question:

Match List-I with List-II

List-I Term

List-II Formula/expression

(A) Raoult's law

(I) $\frac{P_1^0-P_1}{P_1^0}=x_2$

(B) Henry's Law

(II) $P_{total} = P_1^0 + (P_2^0- P_1^0) x_2$

(C) Dalton's Law of partial pressure

(III) $p = K_Hx$

(D) Relative lowering of vapor pressure

(IV) $P_2 = P_2^0 x_2$

Choose the correct answer from the options given below:

Options:

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

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

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

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

Correct Answer:

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

Explanation:

The correct answer is Option (1) → (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

List-I Term

List-II Formula/expression

(A) Raoult's law

(IV) $P_2 = P_2^0 x_2$

(B) Henry's Law

(III) $p = K_Hx$

(C) Dalton's Law of partial pressure

(II) $P_{total} = P_1^0 + (P_2^0- P_1^0) x_2$

(D) Relative lowering of vapor pressure

(I) $\frac{P_1^0-P_1}{P_1^0}=x_2$

(A) Raoult's law: For a volatile solute in solvent, partial pressure of solute $P_2​=P_2^0​x_2​$ (IV) — ideal solution behavior for component 2.

(B) Henry's Law: For dilute gas in liquid, $p = K_H x$ (III) — solubility proportional to partial pressure (x is mole fraction of gas).

(C) Dalton's Law of partial pressure: For ideal solution of two volatiles, $P_{total}​=P_1^0​+(P_2^0​−P_1^0​)x_2$​ (II) — total pressure as function of composition.

(D) Relative lowering of vapor pressure: $\frac{P_1^0 - P_1}{P_1^0} = x_2$ (I) — lowering due to non-volatile solute equals mole fraction of solute.

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