Easy MCQ +4 / -1 PYQ · JEE Mains 2022

Match List - I with List - II :

List-I List-II
(A) negatively charged sol (I) $F{e_2}{O_3}\,.\,x{H_2}O$
(B) macromolecular colloid (II) CdS sol
(C) positively charged sol (III) Starch
(D) Cheese (IV) a gel

Choose the correct answer from the options given below:

  1. A (A) - (II), (B) - (III), (C) - (IV), (D) - (I)
  2. B (A) - (II), (B) - (I), (C) - (III), (D) - (IV)
  3. C (A) - (II), (B) - (III), (C) - (I), (D) - (IV) Correct answer
  4. D (A) - (I), (B) - (III), (C) - (II), (D) - (IV)

Solution

Negative charged sol = CdS sol (II)<br/><br/> Macromolecular colloid = starch (III)<br/><br/> Positively charged sol = Fe<sub>2</sub>O<sub>3</sub>.xH<sub>2</sub>O (I)<br/><br/> Cheese = gel (IV)

About this question

Subject: Chemistry · Chapter: Surface Chemistry · Topic: Adsorption

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