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Solution


Q.

Match List I with List II.              [2023]

List I

List II

A.  van’t Hoff factor, i

I.  Cryoscopic constant

B.  kf

II.  Isotonic solutions

C.  Solutions with same osmotic pressure

III. Normal molar massAbnormal molar mass 

D.  Azeotropes

IV. Solutions with same composition of vapour above it

Choose the correct answer from the options given below:
1 A–III, B–I, C–IV, D–II  
2 A–I, B–III, C–II, D–IV  
3 A–III, B–II, C–I, D–IV  
4 A–III, B–I, C–II, D–IV  

Ans.

(4)

(A) Van't Hoff factor ={Normal molar massAbnormal molar mass}  

(B) Kf⇒ Cryoscopic constant.

(C) Solutions with same osmotic pressure ⇒ Isotonic solution.

(D) Azeotropes ⇒ Solutions with same composition of vapour above it.