Verified Solution • 2025–26 Session moderate

QJEEM22Ch07fa: JEE Main 2022 Chemistry - Class 12 JEEM22Ch07fa Solution: Match List-I with List-II .tg…

Match List-I with List-II

List - I List - II
(A) Lyophilic colloid (I) Liquid-liquid colloid
(B) Emulsion (II) Protective colloid
(C) Positively charged colloid (III) FeCl 3_3 + NaOH
(D) Negatively charged colloid (IV) FeCl 3_3 + hot water

Choose the correct answer from the options given below :

Multiple Choice Options

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

Step-by-Step Verified Solution

(A) Protective colloids are lyophilic colloids

(B) Emulsions are liquid in liquid colloidal solutions

(C) FeCl3 + hot water forms positively charged colloidal solution of hydrated ferric oxide.

(D) FeCl3 + NaOH forms negatively charged colloidal solution due to preferential adsorption of OH- ions

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